2365890438 has 16 divisors (see below), whose sum is σ = 4733164800. Its totient is φ = 788399496.

The previous prime is 2365890437. The next prime is 2365890467. The reversal of 2365890438 is 8340985632.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2365890437) 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, 34738 + ... + 77061.

It is an arithmetic number, because the mean of its divisors is an integer number (295822800).

Almost surely, 2^2365890438 is an apocalyptic number.

2365890438 is an abundant number, since it is smaller than the sum of its proper divisors (2367274362).

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

2365890438 is a wasteful number, since it uses less digits than its factorization.

2365890438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115331.

The product of its (nonzero) digits is 1244160, while the sum is 48.

The square root of 2365890438 is about 48640.4197967082. The cubic root of 2365890438 is about 1332.4928162735.

The spelling of 2365890438 in words is "two billion, three hundred sixty-five million, eight hundred ninety thousand, four hundred thirty-eight".