38115620 has 12 divisors (see below), whose sum is σ = 80042844. Its totient is φ = 15246240.

The previous prime is 38115619. The next prime is 38115631. The reversal of 38115620 is 2651183.

It can be written as a sum of positive squares in 2 ways, for example, as 9834496 + 28281124 = 3136^2 + 5318^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 38115620.

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, 952871 + ... + 952910.

It is an arithmetic number, because the mean of its divisors is an integer number (6670237).

Almost surely, 2^38115620 is an apocalyptic number.

It is an amenable number.

38115620 is an abundant number, since it is smaller than the sum of its proper divisors (41927224).

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

38115620 is a wasteful number, since it uses less digits than its factorization.

38115620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1905790 (or 1905788 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 38115620 is about 6173.7849006910. The cubic root of 38115620 is about 336.5381705274.

The spelling of 38115620 in words is "thirty-eight million, one hundred fifteen thousand, six hundred twenty".