38924493 has 4 divisors (see below), whose sum is σ = 51899328. Its totient is φ = 25949660.

The previous prime is 38924461. The next prime is 38924513. The reversal of 38924493 is 39442983.

It is a happy number.

38924493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 39442983 = 3 ⋅13147661.

It is a cyclic number.

It is not a de Polignac number, because 38924493 - 2⁵ = 38924461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38924443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6487413 + ... + 6487418.

It is an arithmetic number, because the mean of its divisors is an integer number (12974832).

Almost surely, 2^38924493 is an apocalyptic number.

It is an amenable number.

38924493 is a deficient number, since it is larger than the sum of its proper divisors (12974835).

38924493 is a wasteful number, since it uses less digits than its factorization.

38924493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12974834.

The product of its digits is 186624, while the sum is 42.

The square root of 38924493 is about 6238.9496712187. The cubic root of 38924493 is about 338.9021480355.

It can be divided in two parts, 3892 and 4493, that added together give a triangular number (8385 = T₁₂₉).

The spelling of 38924493 in words is "thirty-eight million, nine hundred twenty-four thousand, four hundred ninety-three".