7870998 has 16 divisors (see below), whose sum is σ = 15814080. Its totient is φ = 2611656.

The previous prime is 7870957. The next prime is 7871029. The reversal of 7870998 is 8990787.

It is a Curzon 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, 1528 + ... + 4251.

It is an arithmetic number, because the mean of its divisors is an integer number (988380).

Almost surely, 2^7870998 is an apocalyptic number.

7870998 is an abundant number, since it is smaller than the sum of its proper divisors (7943082).

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

7870998 is a wasteful number, since it uses less digits than its factorization.

7870998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6011.

The product of its (nonzero) digits is 254016, while the sum is 48.

The square root of 7870998 is about 2805.5298964723. The cubic root of 7870998 is about 198.9191527012.

The spelling of 7870998 in words is "seven million, eight hundred seventy thousand, nine hundred ninety-eight".