8251998 has 16 divisors (see below), whose sum is σ = 16536960. Its totient is φ = 2745176.

The previous prime is 8251951. The next prime is 8252017. The reversal of 8251998 is 8991528.

It is a happy number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 2911 + ... + 4997.

It is an arithmetic number, because the mean of its divisors is an integer number (1033560).

Almost surely, 2^8251998 is an apocalyptic number.

8251998 is an abundant number, since it is smaller than the sum of its proper divisors (8284962).

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

8251998 is a wasteful number, since it uses less digits than its factorization.

8251998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2751.

The product of its digits is 51840, while the sum is 42.

The square root of 8251998 is about 2872.6291093700. The cubic root of 8251998 is about 202.0783116287.

The spelling of 8251998 in words is "eight million, two hundred fifty-one thousand, nine hundred ninety-eight".