385811652 has 48 divisors (see below), whose sum is σ = 925404480. Its totient is φ = 125035008.

The previous prime is 385811623. The next prime is 385811669. The reversal of 385811652 is 256118583.

It is a super-3 number, since 3×385811652³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 385811652.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118624 + ... + 121832.

It is an arithmetic number, because the mean of its divisors is an integer number (19279260).

Almost surely, 2^385811652 is an apocalyptic number.

It is an amenable number.

385811652 is an abundant number, since it is smaller than the sum of its proper divisors (539592828).

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

385811652 is a wasteful number, since it uses less digits than its factorization.

385811652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3492 (or 3490 counting only the distinct ones).

The product of its digits is 57600, while the sum is 39.

The square root of 385811652 is about 19642.0887891283. The cubic root of 385811652 is about 727.9894963867.

The spelling of 385811652 in words is "three hundred eighty-five million, eight hundred eleven thousand, six hundred fifty-two".