388812452 has 48 divisors (see below), whose sum is σ = 808617600. Its totient is φ = 163459296.

The previous prime is 388812343. The next prime is 388812469. The reversal of 388812452 is 254218883.

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, 70043 + ... + 75389.

It is an arithmetic number, because the mean of its divisors is an integer number (16846200).

Almost surely, 2^388812452 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 388812452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (404308800).

388812452 is an abundant number, since it is smaller than the sum of its proper divisors (419805148).

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

388812452 is a wasteful number, since it uses less digits than its factorization.

388812452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5425 (or 5409 counting only the distinct ones).

The product of its digits is 122880, while the sum is 41.

The square root of 388812452 is about 19718.3278195693. The cubic root of 388812452 is about 729.8720311119.

The spelling of 388812452 in words is "three hundred eighty-eight million, eight hundred twelve thousand, four hundred fifty-two".