8402998 has 16 divisors (see below), whose sum is σ = 13483584. Its totient is φ = 3913600.

The previous prime is 8402971. The next prime is 8403029. The reversal of 8402998 is 8992048.

It is a happy number.

It is a super-2 number, since 2×8402998² = 141220750776008, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8402998.

It is a congruent number.

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, 2211 + ... + 4657.

It is an arithmetic number, because the mean of its divisors is an integer number (842724).

Almost surely, 2^8402998 is an apocalyptic number.

8402998 is a deficient number, since it is larger than the sum of its proper divisors (5080586).

8402998 is a wasteful number, since it uses less digits than its factorization.

8402998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2567.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 8402998 is about 2898.7925072347. The cubic root of 8402998 is about 203.3034522664.

The spelling of 8402998 in words is "eight million, four hundred two thousand, nine hundred ninety-eight".