388494700 has 108 divisors (see below), whose sum is σ = 939021496. Its totient is φ = 139392000.

The previous prime is 388494649. The next prime is 388494707. The reversal of 388494700 is 7494883.

It is not an unprimeable number, because it can be changed into a prime (388494707) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1173535 + ... + 1173865.

Almost surely, 2^388494700 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 388494700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (469510748).

388494700 is an abundant number, since it is smaller than the sum of its proper divisors (550526796).

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

388494700 is a wasteful number, since it uses less digits than its factorization.

388494700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464 (or 446 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 388494700 is about 19710.2688972018. The cubic root of 388494700 is about 729.6731507326.

The spelling of 388494700 in words is "three hundred eighty-eight million, four hundred ninety-four thousand, seven hundred".