385514631 has 12 divisors (see below), whose sum is σ = 558328680. Its totient is φ = 256329360.

The previous prime is 385514611. The next prime is 385514641. The reversal of 385514631 is 136415583.

385514631 is a `hidden beast` number, since 3 + 8 + 5 + 5 + 14 + 631 = 666.

It is not a de Polignac number, because 385514631 - 2⁹ = 385514119 is a prime.

It is a super-2 number, since 2×385514631² = 297243061430132322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385514611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53100 + ... + 59921.

It is an arithmetic number, because the mean of its divisors is an integer number (46527390).

Almost surely, 2^385514631 is an apocalyptic number.

385514631 is a deficient number, since it is larger than the sum of its proper divisors (172814049).

385514631 is a wasteful number, since it uses less digits than its factorization.

385514631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113406 (or 113403 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 385514631 is about 19634.5265030762. The cubic root of 385514631 is about 727.8026317346.

The spelling of 385514631 in words is "three hundred eighty-five million, five hundred fourteen thousand, six hundred thirty-one".