38927540 has 12 divisors (see below), whose sum is σ = 81747876. Its totient is φ = 15571008.

The previous prime is 38927527. The next prime is 38927587. The reversal of 38927540 is 4572983.

It can be written as a sum of positive squares in 2 ways, for example, as 3952144 + 34975396 = 1988^2 + 5914^2 .

It is a junction number, because it is equal to n+sod(n) for n = 38927494 and 38927503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 973169 + ... + 973208.

It is an arithmetic number, because the mean of its divisors is an integer number (6812323).

Almost surely, 2^38927540 is an apocalyptic number.

It is an amenable number.

38927540 is an abundant number, since it is smaller than the sum of its proper divisors (42820336).

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

38927540 is a wasteful number, since it uses less digits than its factorization.

38927540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1946386 (or 1946384 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 38927540 is about 6239.1938581839. The cubic root of 38927540 is about 338.9109908644.

The spelling of 38927540 in words is "thirty-eight million, nine hundred twenty-seven thousand, five hundred forty".