38886516 has 36 divisors (see below), whose sum is σ = 99649732. Its totient is φ = 12783744.

The previous prime is 38886509. The next prime is 38886541. The reversal of 38886516 is 61568883.

It can be written as a sum of positive squares in 2 ways, for example, as 18147600 + 20738916 = 4260^2 + 4554^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×38886516² = 3024322253236512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4771 + ... + 10026.

Almost surely, 2^38886516 is an apocalyptic number.

38886516 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

38886516 is an abundant number, since it is smaller than the sum of its proper divisors (60763216).

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

38886516 is a wasteful number, since it uses less digits than its factorization.

38886516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14880 (or 14875 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 38886516 is about 6235.9053873515. The cubic root of 38886516 is about 338.7918946202.

It can be divided in two parts, 3888 and 6516, that added together give a square (10404 = 102²).

The spelling of 38886516 in words is "thirty-eight million, eight hundred eighty-six thousand, five hundred sixteen".