8402992 has 40 divisors (see below), whose sum is σ = 17811360. Its totient is φ = 3816960.

The previous prime is 8402971. The next prime is 8403029. The reversal of 8402992 is 2992048.

It is a super-2 number, since 2×8402992² = 141220549104128, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14484 + ... + 15052.

It is an arithmetic number, because the mean of its divisors is an integer number (445284).

Almost surely, 2^8402992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8402992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8905680).

8402992 is an abundant number, since it is smaller than the sum of its proper divisors (9408368).

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

8402992 is a wasteful number, since it uses less digits than its factorization.

8402992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661 (or 655 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 8402992 is about 2898.7914723208. The cubic root of 8402992 is about 203.3034038781.

The spelling of 8402992 in words is "eight million, four hundred two thousand, nine hundred ninety-two".