264993746 has 8 divisors (see below), whose sum is σ = 404990604. Its totient is φ = 129996880.

The previous prime is 264993727. The next prime is 264993749. The reversal of 264993746 is 647399462.

It can be written as a sum of positive squares in 2 ways, for example, as 257763025 + 7230721 = 16055^2 + 2689^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×264993746² = 140443370838225032, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 264993694 and 264993703.

It is not an unprimeable number, because it can be changed into a prime (264993749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1249865 + ... + 1250076.

Almost surely, 2^264993746 is an apocalyptic number.

264993746 is a deficient number, since it is larger than the sum of its proper divisors (139996858).

264993746 is a wasteful number, since it uses less digits than its factorization.

264993746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2499996.

The product of its digits is 1959552, while the sum is 50.

The square root of 264993746 is about 16278.6285048833. The cubic root of 264993746 is about 642.3107759320.

The spelling of 264993746 in words is "two hundred sixty-four million, nine hundred ninety-three thousand, seven hundred forty-six".