264694986 has 32 divisors (see below), whose sum is σ = 589740480. Its totient is φ = 88002288.

The previous prime is 264694973. The next prime is 264694987. The reversal of 264694986 is 689496462.

It is a super-2 number, since 2×264694986² = 140126871227080392, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (264694987) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 15265 + ... + 27611.

It is an arithmetic number, because the mean of its divisors is an integer number (18429390).

Almost surely, 2^264694986 is an apocalyptic number.

264694986 is an abundant number, since it is smaller than the sum of its proper divisors (325045494).

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

264694986 is a wasteful number, since it uses less digits than its factorization.

264694986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12755 (or 12749 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 54.

The square root of 264694986 is about 16269.4494682518. The cubic root of 264694986 is about 642.0692998823.

The spelling of 264694986 in words is "two hundred sixty-four million, six hundred ninety-four thousand, nine hundred eighty-six".