388372220 has 48 divisors (see below), whose sum is σ = 833051520. Its totient is φ = 152045376.

The previous prime is 388372207. The next prime is 388372249. The reversal of 388372220 is 22273883.

It is a congruent number.

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, 333359 + ... + 334521.

It is an arithmetic number, because the mean of its divisors is an integer number (17355240).

Almost surely, 2^388372220 is an apocalyptic number.

It is an amenable number.

388372220 is an abundant number, since it is smaller than the sum of its proper divisors (444679300).

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

388372220 is a wasteful number, since it uses less digits than its factorization.

388372220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514 (or 1512 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 388372220 is about 19707.1616424081. The cubic root of 388372220 is about 729.5964617748.

The spelling of 388372220 in words is "three hundred eighty-eight million, three hundred seventy-two thousand, two hundred twenty".