385665735 has 64 divisors (see below), whose sum is σ = 770982912. Its totient is φ = 160275456.

The previous prime is 385665727. The next prime is 385665769. The reversal of 385665735 is 537566583.

It is not a de Polignac number, because 385665735 - 2³ = 385665727 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 89347 + ... + 93563.

It is an arithmetic number, because the mean of its divisors is an integer number (12046608).

Almost surely, 2^385665735 is an apocalyptic number.

385665735 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

385665735 is a deficient number, since it is larger than the sum of its proper divisors (385317177).

385665735 is a wasteful number, since it uses less digits than its factorization.

385665735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4312.

The product of its digits is 2268000, while the sum is 48.

The square root of 385665735 is about 19638.3740416563. The cubic root of 385665735 is about 727.8977076970.

The spelling of 385665735 in words is "three hundred eighty-five million, six hundred sixty-five thousand, seven hundred thirty-five".