38627540 has 24 divisors (see below), whose sum is σ = 92706432. Its totient is φ = 13243680.

The previous prime is 38627539. The next prime is 38627569. The reversal of 38627540 is 4572683.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 38627540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137816 + ... + 138095.

It is an arithmetic number, because the mean of its divisors is an integer number (3862768).

Almost surely, 2^38627540 is an apocalyptic number.

It is an amenable number.

38627540 is an abundant number, since it is smaller than the sum of its proper divisors (54078892).

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

38627540 is a wasteful number, since it uses less digits than its factorization.

38627540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275927 (or 275925 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 38627540 is about 6215.1057915373. The cubic root of 38627540 is about 338.0381246166.

The spelling of 38627540 in words is "thirty-eight million, six hundred twenty-seven thousand, five hundred forty".