264763939 has 16 divisors (see below), whose sum is σ = 299507040. Its totient is φ = 231840000.

The previous prime is 264763927. The next prime is 264763957. The reversal of 264763939 is 939367462.

It is a cyclic number.

It is not a de Polignac number, because 264763939 - 2⁵ = 264763907 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 264763892 and 264763901.

It is not an unprimeable number, because it can be changed into a prime (264763909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191029 + ... + 192409.

It is an arithmetic number, because the mean of its divisors is an integer number (18719190).

Almost surely, 2^264763939 is an apocalyptic number.

264763939 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

264763939 is a deficient number, since it is larger than the sum of its proper divisors (34743101).

264763939 is a wasteful number, since it uses less digits than its factorization.

264763939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022.

The product of its digits is 1469664, while the sum is 49.

The square root of 264763939 is about 16271.5684247094. The cubic root of 264763939 is about 642.1250480239.

The spelling of 264763939 in words is "two hundred sixty-four million, seven hundred sixty-three thousand, nine hundred thirty-nine".