385163934 has 64 divisors (see below), whose sum is σ = 896002560. Its totient is φ = 109486080.

The previous prime is 385163929. The next prime is 385163939. The reversal of 385163934 is 439361583.

It is an interprime number because it is at equal distance from previous prime (385163929) and next prime (385163939).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385163939) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40254 + ... + 48894.

It is an arithmetic number, because the mean of its divisors is an integer number (14000040).

Almost surely, 2^385163934 is an apocalyptic number.

385163934 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

385163934 is an abundant number, since it is smaller than the sum of its proper divisors (510838626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

385163934 is a wasteful number, since it uses less digits than its factorization.

385163934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8705.

The product of its digits is 233280, while the sum is 42.

The square root of 385163934 is about 19625.5938508877. The cubic root of 385163934 is about 727.5818743248.

The spelling of 385163934 in words is "three hundred eighty-five million, one hundred sixty-three thousand, nine hundred thirty-four".