264764909 has 8 divisors (see below), whose sum is σ = 266916000. Its totient is φ = 262621296.

The previous prime is 264764897. The next prime is 264764977. The reversal of 264764909 is 909467462.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 264764909 - 2¹⁶ = 264699373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264764999) 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, 84794 + ... + 87860.

It is an arithmetic number, because the mean of its divisors is an integer number (33364500).

Almost surely, 2^264764909 is an apocalyptic number.

It is an amenable number.

264764909 is a deficient number, since it is larger than the sum of its proper divisors (2151091).

264764909 is a wasteful number, since it uses less digits than its factorization.

264764909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3739.

The product of its (nonzero) digits is 653184, while the sum is 47.

The square root of 264764909 is about 16271.5982312740. The cubic root of 264764909 is about 642.1258321948.

The spelling of 264764909 in words is "two hundred sixty-four million, seven hundred sixty-four thousand, nine hundred nine".