3998162 has 32 divisors (see below), whose sum is σ = 7371648. Its totient is φ = 1587456.

The previous prime is 3998131. The next prime is 3998171. The reversal of 3998162 is 2618993.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25388 + ... + 25544.

It is an arithmetic number, because the mean of its divisors is an integer number (230364).

Almost surely, 2^3998162 is an apocalyptic number.

3998162 is a deficient number, since it is larger than the sum of its proper divisors (3373486).

3998162 is a wasteful number, since it uses less digits than its factorization.

3998162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290.

The product of its digits is 23328, while the sum is 38.

The square root of 3998162 is about 1999.5404472028. The cubic root of 3998162 is about 158.7157877790.

The spelling of 3998162 in words is "three million, nine hundred ninety-eight thousand, one hundred sixty-two".