388061564 has 24 divisors (see below), whose sum is σ = 748046208. Its totient is φ = 174677040.

The previous prime is 388061561. The next prime is 388061579. The reversal of 388061564 is 465160883.

It is a super-3 number, since 3×388061564³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388061561) 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, 38282 + ... + 47345.

It is an arithmetic number, because the mean of its divisors is an integer number (31168592).

Almost surely, 2^388061564 is an apocalyptic number.

It is an amenable number.

388061564 is a deficient number, since it is larger than the sum of its proper divisors (359984644).

388061564 is a wasteful number, since it uses less digits than its factorization.

388061564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85745 (or 85743 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 388061564 is about 19699.2782608907. The cubic root of 388061564 is about 729.4018769869.

The spelling of 388061564 in words is "three hundred eighty-eight million, sixty-one thousand, five hundred sixty-four".