38123439 has 8 divisors (see below), whose sum is σ = 51912960. Its totient is φ = 24874776.

The previous prime is 38123419. The next prime is 38123441. The reversal of 38123439 is 93432183.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38123439 - 2¹³ = 38115247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38123419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135049 + ... + 135330.

It is an arithmetic number, because the mean of its divisors is an integer number (6489120).

Almost surely, 2^38123439 is an apocalyptic number.

38123439 is a deficient number, since it is larger than the sum of its proper divisors (13789521).

38123439 is a wasteful number, since it uses less digits than its factorization.

38123439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270429.

The product of its digits is 15552, while the sum is 33.

The square root of 38123439 is about 6174.4181102352. The cubic root of 38123439 is about 336.5611813214.

The spelling of 38123439 in words is "thirty-eight million, one hundred twenty-three thousand, four hundred thirty-nine".