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3974220 = 2232522079
BaseRepresentation
bin1111001010010001001100
321110220121100
433022101030
52004133340
6221103100
745531435
oct17122114
97426540
103974220
112274988
1213b7a90
13a91c13
1475648c
15537830
hex3ca44c

3974220 has 36 divisors (see below), whose sum is σ = 12055680. Its totient is φ = 1059744.

The previous prime is 3974219. The next prime is 3974221. The reversal of 3974220 is 224793.

It is an interprime number because it is at equal distance from previous prime (3974219) and next prime (3974221).

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (3974221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10860 + ... + 11219.

It is an arithmetic number, because the mean of its divisors is an integer number (334880).

Almost surely, 23974220 is an apocalyptic number.

3974220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3974220 is an abundant number, since it is smaller than the sum of its proper divisors (8081460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3974220 is a wasteful number, since it uses less digits than its factorization.

3974220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22094 (or 22089 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 3974220 is about 1993.5445818943. The cubic root of 3974220 is about 158.3983432640.

The spelling of 3974220 in words is "three million, nine hundred seventy-four thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 22079 44158 66237 88316 110395 132474 198711 220790 264948 331185 397422 441580 662370 794844 993555 1324740 1987110 3974220