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3980487 = 37189547
BaseRepresentation
bin1111001011110011000111
321111020012110
433023303013
52004333422
6221152103
745555630
oct17136307
97436173
103980487
112279665
1213bb633
13a94a24
14758887
1553960c
hex3cbcc7

3980487 has 8 divisors (see below), whose sum is σ = 6065536. Its totient is φ = 2274552.

The previous prime is 3980479. The next prime is 3980491. The reversal of 3980487 is 7840893.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3980487 - 23 = 3980479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3980407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94753 + ... + 94794.

It is an arithmetic number, because the mean of its divisors is an integer number (758192).

Almost surely, 23980487 is an apocalyptic number.

3980487 is a deficient number, since it is larger than the sum of its proper divisors (2085049).

3980487 is a wasteful number, since it uses less digits than its factorization.

3980487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189557.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 3980487 is about 1995.1157861137. The cubic root of 3980487 is about 158.4815596840.

The spelling of 3980487 in words is "three million, nine hundred eighty thousand, four hundred eighty-seven".

Divisors: 1 3 7 21 189547 568641 1326829 3980487