38556765 has 48 divisors (see below), whose sum is σ = 76225968. Its totient is φ = 17860608.

The previous prime is 38556761. The next prime is 38556781. The reversal of 38556765 is 56765583.

38556765 is a `hidden beast` number, since 3 + 85 + 567 + 6 + 5 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 2304324 + 36252441 = 1518^2 + 6021^2 .

It is not a de Polignac number, because 38556765 - 2² = 38556761 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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

It is a self number, because there is not a number n which added to its sum of digits gives 38556765.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38556761) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8007 + ... + 11883.

It is an arithmetic number, because the mean of its divisors is an integer number (1588041).

Almost surely, 2^38556765 is an apocalyptic number.

It is an amenable number.

38556765 is a deficient number, since it is larger than the sum of its proper divisors (37669203).

38556765 is a wasteful number, since it uses less digits than its factorization.

38556765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3918 (or 3915 counting only the distinct ones).

The product of its digits is 756000, while the sum is 45.

The square root of 38556765 is about 6209.4093922047. The cubic root of 38556765 is about 337.8315425159.

The spelling of 38556765 in words is "thirty-eight million, five hundred fifty-six thousand, seven hundred sixty-five".