264792638 has 16 divisors (see below), whose sum is σ = 447275520. Its totient is φ = 116477400.

The previous prime is 264792631. The next prime is 264792673. The reversal of 264792638 is 836297462.

It is a super-2 number, since 2×264792638² = 140230282277998088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 264792592 and 264792601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264792631) 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, 193448 + ... + 194811.

It is an arithmetic number, because the mean of its divisors is an integer number (27954720).

Almost surely, 2^264792638 is an apocalyptic number.

264792638 is a deficient number, since it is larger than the sum of its proper divisors (182482882).

264792638 is a wasteful number, since it uses less digits than its factorization.

264792638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388303.

The product of its digits is 870912, while the sum is 47.

The square root of 264792638 is about 16272.4502764642. The cubic root of 264792638 is about 642.1482481634.

The spelling of 264792638 in words is "two hundred sixty-four million, seven hundred ninety-two thousand, six hundred thirty-eight".