388725465 has 16 divisors (see below), whose sum is σ = 654696000. Its totient is φ = 196408512.

The previous prime is 388725419. The next prime is 388725481. The reversal of 388725465 is 564527883.

It is not a de Polignac number, because 388725465 - 2⁸ = 388725209 is a prime.

It is a super-2 number, since 2×388725465² = 302214974278932450, which contains 22 as substring.

It is a Curzon 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, 681690 + ... + 682259.

It is an arithmetic number, because the mean of its divisors is an integer number (40918500).

Almost surely, 2^388725465 is an apocalyptic number.

It is an amenable number.

388725465 is a deficient number, since it is larger than the sum of its proper divisors (265970535).

388725465 is a wasteful number, since it uses less digits than its factorization.

388725465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363976.

The product of its digits is 1612800, while the sum is 48.

The square root of 388725465 is about 19716.1219564092. The cubic root of 388725465 is about 729.8175968867.

The spelling of 388725465 in words is "three hundred eighty-eight million, seven hundred twenty-five thousand, four hundred sixty-five".