2398915620 has 72 divisors (see below), whose sum is σ = 7285614336. Its totient is φ = 638928192.

The previous prime is 2398915619. The next prime is 2398915643. The reversal of 2398915620 is 265198932.

2398915620 is a `hidden beast` number, since 2 + 3 + 9 + 8 + 9 + 15 + 620 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147619 + ... + 163061.

It is an arithmetic number, because the mean of its divisors is an integer number (101189088).

Almost surely, 2^2398915620 is an apocalyptic number.

2398915620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2398915620 is an abundant number, since it is smaller than the sum of its proper divisors (4886698716).

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

2398915620 is a wasteful number, since it uses less digits than its factorization.

2398915620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16321 (or 16316 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 2398915620 is about 48978.7261982179. The cubic root of 2398915620 is about 1338.6642254256.

The spelling of 2398915620 in words is "two billion, three hundred ninety-eight million, nine hundred fifteen thousand, six hundred twenty".