38924861 has 4 divisors (see below), whose sum is σ = 39158112. Its totient is φ = 38691612.

The previous prime is 38924857. The next prime is 38924869. The reversal of 38924861 is 16842983.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 38924861 - 2² = 38924857 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38924869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116375 + ... + 116708.

It is an arithmetic number, because the mean of its divisors is an integer number (9789528).

Almost surely, 2^38924861 is an apocalyptic number.

It is an amenable number.

38924861 is a deficient number, since it is larger than the sum of its proper divisors (233251).

38924861 is a wasteful number, since it uses less digits than its factorization.

38924861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233250.

The product of its digits is 82944, while the sum is 41.

The square root of 38924861 is about 6238.9791632927. The cubic root of 38924861 is about 338.9032160485.

The spelling of 38924861 in words is "thirty-eight million, nine hundred twenty-four thousand, eight hundred sixty-one".