385161534 has 32 divisors (see below), whose sum is σ = 856884000. Its totient is φ = 128241792.

The previous prime is 385161509. The next prime is 385161551. The reversal of 385161534 is 435161583.

385161534 is a `hidden beast` number, since 3 + 8 + 5 + 1 + 615 + 34 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50952 + ... + 58020.

It is an arithmetic number, because the mean of its divisors is an integer number (26777625).

Almost surely, 2^385161534 is an apocalyptic number.

385161534 is an abundant number, since it is smaller than the sum of its proper divisors (471722466).

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

385161534 is a wasteful number, since it uses less digits than its factorization.

385161534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8089 (or 8083 counting only the distinct ones).

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

The square root of 385161534 is about 19625.5327061458. The cubic root of 385161534 is about 727.5803631067.

The spelling of 385161534 in words is "three hundred eighty-five million, one hundred sixty-one thousand, five hundred thirty-four".