388370052 has 120 divisors (see below), whose sum is σ = 1171705920. Its totient is φ = 109874880.

The previous prime is 388370027. The next prime is 388370057. The reversal of 388370052 is 250073883.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 388369989 and 388370016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388370057) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 246427 + ... + 247997.

It is an arithmetic number, because the mean of its divisors is an integer number (9764216).

Almost surely, 2^388370052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 388370052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (585852960).

388370052 is an abundant number, since it is smaller than the sum of its proper divisors (783335868).

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

388370052 is a wasteful number, since it uses less digits than its factorization.

388370052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1703 (or 1692 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 388370052 is about 19707.1066369470. The cubic root of 388370052 is about 729.5951041699.

The spelling of 388370052 in words is "three hundred eighty-eight million, three hundred seventy thousand, fifty-two".