38947560 has 64 divisors (see below), whose sum is σ = 117262080. Its totient is φ = 10348800.

The previous prime is 38947483. The next prime is 38947577. The reversal of 38947560 is 6574983.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55210 + ... + 55910.

It is an arithmetic number, because the mean of its divisors is an integer number (1832220).

Almost surely, 2^38947560 is an apocalyptic number.

38947560 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38947560 is an abundant number, since it is smaller than the sum of its proper divisors (78314520).

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

38947560 is a wasteful number, since it uses less digits than its factorization.

38947560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178 (or 1174 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 38947560 is about 6240.7980258938. The cubic root of 38947560 is about 338.9690802892.

The spelling of 38947560 in words is "thirty-eight million, nine hundred forty-seven thousand, five hundred sixty".