388505352 has 32 divisors (see below), whose sum is σ = 1028397600. Its totient is φ = 121883904.

The previous prime is 388505347. The next prime is 388505357. The reversal of 388505352 is 253505883.

It is an interprime number because it is at equal distance from previous prime (388505347) and next prime (388505357).

It is a self number, because there is not a number n which added to its sum of digits gives 388505352.

It is not an unprimeable number, because it can be changed into a prime (388505357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 475702 + ... + 476517.

It is an arithmetic number, because the mean of its divisors is an integer number (32137425).

Almost surely, 2^388505352 is an apocalyptic number.

It is an amenable number.

388505352 is an abundant number, since it is smaller than the sum of its proper divisors (639892248).

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

388505352 is a wasteful number, since it uses less digits than its factorization.

388505352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952245 (or 952241 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 39.

The square root of 388505352 is about 19710.5391098265. The cubic root of 388505352 is about 729.6798195558.

The spelling of 388505352 in words is "three hundred eighty-eight million, five hundred five thousand, three hundred fifty-two".