38958723 has 24 divisors (see below), whose sum is σ = 59344896. Its totient is φ = 24591600.

The previous prime is 38958719. The next prime is 38958737. The reversal of 38958723 is 32785983.

It is not a de Polignac number, because 38958723 - 2² = 38958719 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38958923) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11628 + ... + 14598.

It is an arithmetic number, because the mean of its divisors is an integer number (2472704).

Almost surely, 2^38958723 is an apocalyptic number.

38958723 is a deficient number, since it is larger than the sum of its proper divisors (20386173).

38958723 is a wasteful number, since it uses less digits than its factorization.

38958723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3055 (or 3052 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 38958723 is about 6241.6923185944. The cubic root of 38958723 is about 339.0014618675.

The spelling of 38958723 in words is "thirty-eight million, nine hundred fifty-eight thousand, seven hundred twenty-three".