2890397580 has 96 divisors (see below), whose sum is σ = 9651446784. Its totient is φ = 631935744.

The previous prime is 2890397567. The next prime is 2890397599. The reversal of 2890397580 is 857930982.

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, 139947 + ... + 159266.

It is an arithmetic number, because the mean of its divisors is an integer number (100535904).

Almost surely, 2^2890397580 is an apocalyptic number.

2890397580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2890397580 is an abundant number, since it is smaller than the sum of its proper divisors (6761049204).

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

2890397580 is a wasteful number, since it uses less digits than its factorization.

2890397580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299255 (or 299253 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 51.

The square root of 2890397580 is about 53762.4179143758. The cubic root of 2890397580 is about 1424.4674451952.

The spelling of 2890397580 in words is "two billion, eight hundred ninety million, three hundred ninety-seven thousand, five hundred eighty".