38763861 has 16 divisors (see below), whose sum is σ = 53395200. Its totient is φ = 25000448.

The previous prime is 38763847. The next prime is 38763863. The reversal of 38763861 is 16836783.

It is a cyclic number.

It is not a de Polignac number, because 38763861 - 2⁶ = 38763797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38763863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11005 + ... + 14093.

It is an arithmetic number, because the mean of its divisors is an integer number (3337200).

Almost surely, 2^38763861 is an apocalyptic number.

It is an amenable number.

38763861 is a deficient number, since it is larger than the sum of its proper divisors (14631339).

38763861 is a wasteful number, since it uses less digits than its factorization.

38763861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3228.

The product of its digits is 145152, while the sum is 42.

The square root of 38763861 is about 6226.0630417624. The cubic root of 38763861 is about 338.4353161198.

The spelling of 38763861 in words is "thirty-eight million, seven hundred sixty-three thousand, eight hundred sixty-one".