38342439 has 6 divisors (see below), whose sum is σ = 55383536. Its totient is φ = 25561620.

The previous prime is 38342411. The next prime is 38342441. The reversal of 38342439 is 93424383.

It is a happy number.

It is not a de Polignac number, because 38342439 - 2⁵ = 38342407 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 (38342489) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2130127 + ... + 2130144.

Almost surely, 2^38342439 is an apocalyptic number.

38342439 is a deficient number, since it is larger than the sum of its proper divisors (17041097).

38342439 is a wasteful number, since it uses less digits than its factorization.

38342439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4260277 (or 4260274 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 38342439 is about 6192.1271789265. The cubic root of 38342439 is about 337.2044095032.

It can be divided in two parts, 38342 and 439, that added together give a triangular number (38781 = T₂₇₈).

The spelling of 38342439 in words is "thirty-eight million, three hundred forty-two thousand, four hundred thirty-nine".