388764265 has 8 divisors (see below), whose sum is σ = 468960768. Its totient is φ = 309382320.

The previous prime is 388764241. The next prime is 388764317. The reversal of 388764265 is 562467883.

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

It is not a de Polignac number, because 388764265 - 2⁷ = 388764137 is a prime.

It is a super-2 number, since 2×388764265² = 302275307481980450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202587 + ... + 204496.

It is an arithmetic number, because the mean of its divisors is an integer number (58620096).

Almost surely, 2^388764265 is an apocalyptic number.

It is an amenable number.

388764265 is a deficient number, since it is larger than the sum of its proper divisors (80196503).

388764265 is a wasteful number, since it uses less digits than its factorization.

388764265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407279.

The product of its digits is 1935360, while the sum is 49.

The square root of 388764265 is about 19717.1058981789. The cubic root of 388764265 is about 729.8418779310.

The spelling of 388764265 in words is "three hundred eighty-eight million, seven hundred sixty-four thousand, two hundred sixty-five".