38811768 has 32 divisors (see below), whose sum is σ = 97223760. Its totient is φ = 12911360.

The previous prime is 38811749. The next prime is 38811781. The reversal of 38811768 is 86711883.

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, 13498 + ... + 16118.

Almost surely, 2^38811768 is an apocalyptic number.

It is an amenable number.

38811768 is an abundant number, since it is smaller than the sum of its proper divisors (58411992).

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

38811768 is a wasteful number, since it uses less digits than its factorization.

38811768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3247 (or 3243 counting only the distinct ones).

The product of its digits is 64512, while the sum is 42.

The square root of 38811768 is about 6229.9091486153. The cubic root of 38811768 is about 338.5746791385.

The spelling of 38811768 in words is "thirty-eight million, eight hundred eleven thousand, seven hundred sixty-eight".