2397926388 has 96 divisors (see below), whose sum is σ = 6919395840. Its totient is φ = 635437440.

The previous prime is 2397926371. The next prime is 2397926429. The reversal of 2397926388 is 8836297932.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4170 + ... + 69377.

It is an arithmetic number, because the mean of its divisors is an integer number (72077040).

Almost surely, 2^2397926388 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2397926388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3459697920).

2397926388 is an abundant number, since it is smaller than the sum of its proper divisors (4521469452).

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

2397926388 is a wasteful number, since it uses less digits than its factorization.

2397926388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73597 (or 73595 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 57.

The square root of 2397926388 is about 48968.6265684469. The cubic root of 2397926388 is about 1338.4801934481.

The spelling of 2397926388 in words is "two billion, three hundred ninety-seven million, nine hundred twenty-six thousand, three hundred eighty-eight".