38761864 has 16 divisors (see below), whose sum is σ = 75185100. Its totient is φ = 18712512.

The previous prime is 38761859. The next prime is 38761867. The reversal of 38761864 is 46816783.

38761864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 34928100 + 3833764 = 5910^2 + 1958^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 38761864.

It is not an unprimeable number, because it can be changed into a prime (38761867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83307 + ... + 83770.

Almost surely, 2^38761864 is an apocalyptic number.

It is an amenable number.

38761864 is a deficient number, since it is larger than the sum of its proper divisors (36423236).

38761864 is a wasteful number, since it uses less digits than its factorization.

38761864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167112 (or 167108 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The square root of 38761864 is about 6225.9026654775. The cubic root of 38761864 is about 338.4295042896.

The spelling of 38761864 in words is "thirty-eight million, seven hundred sixty-one thousand, eight hundred sixty-four".