38738933 has 4 divisors (see below), whose sum is σ = 39988608. Its totient is φ = 37489260.

The previous prime is 38738897. The next prime is 38738939. The reversal of 38738933 is 33983783.

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 38738933 - 2¹² = 38734837 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 (38738939) 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, 624791 + ... + 624852.

It is an arithmetic number, because the mean of its divisors is an integer number (9997152).

Almost surely, 2^38738933 is an apocalyptic number.

It is an amenable number.

38738933 is a deficient number, since it is larger than the sum of its proper divisors (1249675).

38738933 is a wasteful number, since it uses less digits than its factorization.

38738933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249674.

The product of its digits is 326592, while the sum is 44.

The square root of 38738933 is about 6224.0608126849. The cubic root of 38738933 is about 338.3627543366.

The spelling of 38738933 in words is "thirty-eight million, seven hundred thirty-eight thousand, nine hundred thirty-three".