38795621 has 4 divisors (see below), whose sum is σ = 38932992. Its totient is φ = 38658252.

The previous prime is 38795599. The next prime is 38795623. The reversal of 38795621 is 12659783.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12659783 = 199 ⋅63617.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38795621 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38795623) 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, 68261 + ... + 68826.

It is an arithmetic number, because the mean of its divisors is an integer number (9733248).

Almost surely, 2^38795621 is an apocalyptic number.

It is an amenable number.

38795621 is a deficient number, since it is larger than the sum of its proper divisors (137371).

38795621 is a wasteful number, since it uses less digits than its factorization.

38795621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137370.

The product of its digits is 90720, while the sum is 41.

The square root of 38795621 is about 6228.6130879996. The cubic root of 38795621 is about 338.5277198102.

The spelling of 38795621 in words is "thirty-eight million, seven hundred ninety-five thousand, six hundred twenty-one".