2390564886 has 16 divisors (see below), whose sum is σ = 4782457344. Its totient is φ = 796633704.

The previous prime is 2390564881. The next prime is 2390564899. The reversal of 2390564886 is 6884650932.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2390564881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31090 + ... + 75813.

It is an arithmetic number, because the mean of its divisors is an integer number (298903584).

Almost surely, 2^2390564886 is an apocalyptic number.

2390564886 is an abundant number, since it is smaller than the sum of its proper divisors (2391892458).

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

2390564886 is a wasteful number, since it uses less digits than its factorization.

2390564886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110635.

The product of its (nonzero) digits is 2488320, while the sum is 51.

The square root of 2390564886 is about 48893.4032973774. The cubic root of 2390564886 is about 1337.1091025958.

The spelling of 2390564886 in words is "two billion, three hundred ninety million, five hundred sixty-four thousand, eight hundred eighty-six".