385509052 has 12 divisors (see below), whose sum is σ = 678174336. Its totient is φ = 191744960.

The previous prime is 385509043. The next prime is 385509077. The reversal of 385509052 is 250905583.

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, 251533 + ... + 253060.

It is an arithmetic number, because the mean of its divisors is an integer number (56514528).

Almost surely, 2^385509052 is an apocalyptic number.

It is an amenable number.

385509052 is a deficient number, since it is larger than the sum of its proper divisors (292665284).

385509052 is a wasteful number, since it uses less digits than its factorization.

385509052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504788 (or 504786 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 37.

The square root of 385509052 is about 19634.3844313999. The cubic root of 385509052 is about 727.7991209033.

The spelling of 385509052 in words is "three hundred eighty-five million, five hundred nine thousand, fifty-two".