385129072 has 20 divisors (see below), whose sum is σ = 764388576. Its totient is φ = 187867520.

The previous prime is 385129039. The next prime is 385129103. The reversal of 385129072 is 270921583.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 292888 + ... + 294199.

Almost surely, 2^385129072 is an apocalyptic number.

It is an amenable number.

385129072 is a deficient number, since it is larger than the sum of its proper divisors (379259504).

385129072 is a wasteful number, since it uses less digits than its factorization.

385129072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587136 (or 587130 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 385129072 is about 19624.7056538436. The cubic root of 385129072 is about 727.5599220058.

It can be divided in two parts, 3851 and 29072, that added together give a palindrome (32923).

The spelling of 385129072 in words is "three hundred eighty-five million, one hundred twenty-nine thousand, seventy-two".