388894412 has 6 divisors (see below), whose sum is σ = 680565228. Its totient is φ = 194447204.

The previous prime is 388894393. The next prime is 388894417. The reversal of 388894412 is 214498883.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (388894417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48611798 + ... + 48611805.

It is an arithmetic number, because the mean of its divisors is an integer number (113427538).

Almost surely, 2^388894412 is an apocalyptic number.

It is an amenable number.

388894412 is a deficient number, since it is larger than the sum of its proper divisors (291670816).

388894412 is a wasteful number, since it uses less digits than its factorization.

388894412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97223607 (or 97223605 counting only the distinct ones).

The product of its digits is 442368, while the sum is 47.

The square root of 388894412 is about 19720.4059795938. The cubic root of 388894412 is about 729.9233121417.

The spelling of 388894412 in words is "three hundred eighty-eight million, eight hundred ninety-four thousand, four hundred twelve".