264109394 has 8 divisors (see below), whose sum is σ = 396414540. Its totient is φ = 131971216.

The previous prime is 264109387. The next prime is 264109451. The reversal of 264109394 is 493901462.

It can be written as a sum of positive squares in 2 ways, for example, as 263640169 + 469225 = 16237^2 + 685^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37709 + ... + 44160.

Almost surely, 2^264109394 is an apocalyptic number.

264109394 is a deficient number, since it is larger than the sum of its proper divisors (132305146).

264109394 is a wasteful number, since it uses less digits than its factorization.

264109394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83484.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 264109394 is about 16251.4428282537. The cubic root of 264109394 is about 641.5954610891.

The spelling of 264109394 in words is "two hundred sixty-four million, one hundred nine thousand, three hundred ninety-four".