3997870254 has 24 divisors (see below), whose sum is σ = 9899488560. Its totient is φ = 1142248608.

The previous prime is 3997870181. The next prime is 3997870273. The reversal of 3997870254 is 4520787993.

It is a self number, because there is not a number n which added to its sum of digits gives 3997870254.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15864439 + ... + 15864690.

It is an arithmetic number, because the mean of its divisors is an integer number (412478690).

Almost surely, 2^3997870254 is an apocalyptic number.

3997870254 is an abundant number, since it is smaller than the sum of its proper divisors (5901618306).

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

3997870254 is a wasteful number, since it uses less digits than its factorization.

3997870254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31729144 (or 31729141 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 54.

The square root of 3997870254 is about 63228.7138411023. The cubic root of 3997870254 is about 1587.1192718655.

The spelling of 3997870254 in words is "three billion, nine hundred ninety-seven million, eight hundred seventy thousand, two hundred fifty-four".