264490836 has 24 divisors (see below), whose sum is σ = 632198784. Its totient is φ = 86013120.

The previous prime is 264490819. The next prime is 264490843. The reversal of 264490836 is 638094462.

It is a happy number.

It is a super-3 number, since 3×264490836³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268300 + ... + 269283.

It is an arithmetic number, because the mean of its divisors is an integer number (26341616).

Almost surely, 2^264490836 is an apocalyptic number.

It is an amenable number.

264490836 is an abundant number, since it is smaller than the sum of its proper divisors (367707948).

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

264490836 is a wasteful number, since it uses less digits than its factorization.

264490836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537631 (or 537629 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 42.

The square root of 264490836 is about 16263.1742289136. The cubic root of 264490836 is about 641.9041888833.

The spelling of 264490836 in words is "two hundred sixty-four million, four hundred ninety thousand, eight hundred thirty-six".