385272865 has 8 divisors (see below), whose sum is σ = 472164480. Its totient is φ = 301660272.

The previous prime is 385272857. The next prime is 385272869. The reversal of 385272865 is 568272583.

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 385272865 - 2³ = 385272857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (385272869) 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, 819495 + ... + 819964.

It is an arithmetic number, because the mean of its divisors is an integer number (59020560).

Almost surely, 2^385272865 is an apocalyptic number.

It is an amenable number.

385272865 is a deficient number, since it is larger than the sum of its proper divisors (86891615).

385272865 is a wasteful number, since it uses less digits than its factorization.

385272865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639511.

The product of its digits is 806400, while the sum is 46.

The square root of 385272865 is about 19628.3688828186. The cubic root of 385272865 is about 727.6504587582.

The spelling of 385272865 in words is "three hundred eighty-five million, two hundred seventy-two thousand, eight hundred sixty-five".