3902998 has 8 divisors (see below), whose sum is σ = 6386760. Its totient is φ = 1774080.

The previous prime is 3902929. The next prime is 3903001. The reversal of 3902998 is 8992093.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 3902998.

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, 88683 + ... + 88726.

It is an arithmetic number, because the mean of its divisors is an integer number (798345).

Almost surely, 2^3902998 is an apocalyptic number.

3902998 is a deficient number, since it is larger than the sum of its proper divisors (2483762).

3902998 is a wasteful number, since it uses less digits than its factorization.

3902998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177422.

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

The square root of 3902998 is about 1975.6006681513. The cubic root of 3902998 is about 157.4464149618.

It can be divided in two parts, 3902 and 998, that added together give a square (4900 = 70²).

The spelling of 3902998 in words is "three million, nine hundred two thousand, nine hundred ninety-eight".