38986560 has 84 divisors (see below), whose sum is σ = 134107428. Its totient is φ = 10395648.

The previous prime is 38986543. The next prime is 38986573. The reversal of 38986560 is 6568983.

38986560 is a `hidden beast` number, since 3 + 8 + 9 + 86 + 560 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 28643904 + 10342656 = 5352^2 + 3216^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 3889 + ... + 9648.

It is an arithmetic number, because the mean of its divisors is an integer number (1596517).

Almost surely, 2^38986560 is an apocalyptic number.

38986560 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38986560 is an abundant number, since it is smaller than the sum of its proper divisors (95120868).

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

38986560 is a wasteful number, since it uses less digits than its factorization.

38986560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13560 (or 13547 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 38986560 is about 6243.9218444820. The cubic root of 38986560 is about 339.0821843712.

The spelling of 38986560 in words is "thirty-eight million, nine hundred eighty-six thousand, five hundred sixty".