2379640398 has 32 divisors (see below), whose sum is σ = 4973999616. Its totient is φ = 757535328.

The previous prime is 2379640343. The next prime is 2379640411. The reversal of 2379640398 is 8930469732.

It is a self number, because there is not a number n which added to its sum of digits gives 2379640398.

It is a congruent 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, 76911 + ... + 103317.

It is an arithmetic number, because the mean of its divisors is an integer number (155437488).

Almost surely, 2^2379640398 is an apocalyptic number.

2379640398 is an abundant number, since it is smaller than the sum of its proper divisors (2594359218).

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

2379640398 is a wasteful number, since it uses less digits than its factorization.

2379640398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27088.

The product of its (nonzero) digits is 1959552, while the sum is 51.

The square root of 2379640398 is about 48781.5579702002. The cubic root of 2379640398 is about 1335.0692026016.

The spelling of 2379640398 in words is "two billion, three hundred seventy-nine million, six hundred forty thousand, three hundred ninety-eight".