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3998902 = 25933889
BaseRepresentation
bin1111010000010010110110
321112011110111
433100102312
52010431102
6221413234
745663415
oct17202266
97464414
103998902
112291486
12140a21a
13aa021b
1476147c
1553ecd7
hex3d04b6

3998902 has 8 divisors (see below), whose sum is σ = 6100200. Its totient is φ = 1965504.

The previous prime is 3998899. The next prime is 3998959. The reversal of 3998902 is 2098993.

It is a happy number.

3998902 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16827 + ... + 17062.

It is an arithmetic number, because the mean of its divisors is an integer number (762525).

Almost surely, 23998902 is an apocalyptic number.

3998902 is a deficient number, since it is larger than the sum of its proper divisors (2101298).

3998902 is a wasteful number, since it uses less digits than its factorization.

3998902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33950.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 3998902 is about 1999.7254811599. The cubic root of 3998902 is about 158.7255791480.

It can be divided in two parts, 3998 and 902, that added together give a square (4900 = 702).

The spelling of 3998902 in words is "three million, nine hundred ninety-eight thousand, nine hundred two".

Divisors: 1 2 59 118 33889 67778 1999451 3998902