438050865 has 32 divisors (see below), whose sum is σ = 801792000. Its totient is φ = 200055744.

The previous prime is 438050839. The next prime is 438050897. The reversal of 438050865 is 568050834.

It is a happy number.

It is not a de Polignac number, because 438050865 - 2⁸ = 438050609 is a prime.

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, 208852 + ... + 210938.

It is an arithmetic number, because the mean of its divisors is an integer number (25056000).

Almost surely, 2^438050865 is an apocalyptic number.

It is an amenable number.

438050865 is a deficient number, since it is larger than the sum of its proper divisors (363741135).

438050865 is a wasteful number, since it uses less digits than its factorization.

438050865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4101.

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 438050865 is about 20929.6647130335. The cubic root of 438050865 is about 759.4657284947.

The spelling of 438050865 in words is "four hundred thirty-eight million, fifty thousand, eight hundred sixty-five".