38455564 has 24 divisors (see below), whose sum is σ = 81436320. Its totient is φ = 15511296.

The previous prime is 38455523. The next prime is 38455567. The reversal of 38455564 is 46555483.

It is a super-3 number, since 3×38455564³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (38455567) 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, 39919 + ... + 40870.

It is an arithmetic number, because the mean of its divisors is an integer number (3393180).

Almost surely, 2^38455564 is an apocalyptic number.

38455564 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

38455564 is an abundant number, since it is smaller than the sum of its proper divisors (42980756).

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

38455564 is a wasteful number, since it uses less digits than its factorization.

38455564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80817 (or 80815 counting only the distinct ones).

The product of its digits is 288000, while the sum is 40.

The square root of 38455564 is about 6201.2550342652. The cubic root of 38455564 is about 337.5357116304.

It can be divided in two parts, 3845 and 5564, that added together give a square (9409 = 97²).

The spelling of 38455564 in words is "thirty-eight million, four hundred fifty-five thousand, five hundred sixty-four".