38440339 has 4 divisors (see below), whose sum is σ = 43931824. Its totient is φ = 32948856.

The previous prime is 38440333. The next prime is 38440357. The reversal of 38440339 is 93304483.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38440339 - 2³ = 38440331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38440331) 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, 2745732 + ... + 2745745.

It is an arithmetic number, because the mean of its divisors is an integer number (10982956).

Almost surely, 2^38440339 is an apocalyptic number.

38440339 is a deficient number, since it is larger than the sum of its proper divisors (5491485).

38440339 is an equidigital number, since it uses as much as digits as its factorization.

38440339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5491484.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 38440339 is about 6200.0273386494. The cubic root of 38440339 is about 337.4911609939.

The spelling of 38440339 in words is "thirty-eight million, four hundred forty thousand, three hundred thirty-nine".