8491902 has 8 divisors (see below), whose sum is σ = 16983816. Its totient is φ = 2830632.

The previous prime is 8491897. The next prime is 8491919. The reversal of 8491902 is 2091948.

8491902 is digitally balanced in base 2 and base 4, because in such bases 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.

8491902 is an admirable number.

It is a super-2 number, since 2×8491902² = 144224799155208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 707653 + ... + 707664.

It is an arithmetic number, because the mean of its divisors is an integer number (2122977).

Almost surely, 2^8491902 is an apocalyptic number.

8491902 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8491902 is a wasteful number, since it uses less digits than its factorization.

8491902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415322.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 8491902 is about 2914.0868209441. The cubic root of 8491902 is about 204.0179242228.

The spelling of 8491902 in words is "eight million, four hundred ninety-one thousand, nine hundred two".