388774074 has 16 divisors (see below), whose sum is σ = 837359712. Its totient is φ = 119622768.

The previous prime is 388774073. The next prime is 388774081. The reversal of 388774074 is 470477883.

It is a super-2 number, since 2×388774074² = 302290561229114952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (388774073) 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, 2492064 + ... + 2492219.

It is an arithmetic number, because the mean of its divisors is an integer number (52334982).

Almost surely, 2^388774074 is an apocalyptic number.

388774074 is an abundant number, since it is smaller than the sum of its proper divisors (448585638).

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

388774074 is a wasteful number, since it uses less digits than its factorization.

388774074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4984301.

The product of its (nonzero) digits is 1053696, while the sum is 48.

The square root of 388774074 is about 19717.3546400119. The cubic root of 388774074 is about 729.8480161484.

The spelling of 388774074 in words is "three hundred eighty-eight million, seven hundred seventy-four thousand, seventy-four".