385629716 has 18 divisors (see below), whose sum is σ = 682231998. Its totient is φ = 190710400.

The previous prime is 385629709. The next prime is 385629721. The reversal of 385629716 is 617926583.

It can be written as a sum of positive squares in 3 ways, for example, as 338707216 + 46922500 = 18404^2 + 6850^2 .

Its product of digits (544320) is a multiple of the sum of its prime divisors (1080).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 394220 + ... + 395196.

Almost surely, 2^385629716 is an apocalyptic number.

It is an amenable number.

385629716 is a deficient number, since it is larger than the sum of its proper divisors (296602282).

385629716 is an equidigital number, since it uses as much as digits as its factorization.

385629716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2059 (or 1080 counting only the distinct ones).

The product of its digits is 544320, while the sum is 47.

The square root of 385629716 is about 19637.4569636702. The cubic root of 385629716 is about 727.8750464809.

The spelling of 385629716 in words is "three hundred eighty-five million, six hundred twenty-nine thousand, seven hundred sixteen".