264670406 has 64 divisors (see below), whose sum is σ = 540642816. Its totient is φ = 93830400.

The previous prime is 264670403. The next prime is 264670459. The reversal of 264670406 is 604076462.

It is a happy number.

264670406 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264670403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145241 + ... + 147051.

It is an arithmetic number, because the mean of its divisors is an integer number (8447544).

Almost surely, 2^264670406 is an apocalyptic number.

264670406 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

264670406 is an abundant number, since it is smaller than the sum of its proper divisors (275972410).

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

264670406 is a wasteful number, since it uses less digits than its factorization.

264670406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1917.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 264670406 is about 16268.6940471570. The cubic root of 264670406 is about 642.0494247395.

The spelling of 264670406 in words is "two hundred sixty-four million, six hundred seventy thousand, four hundred six".