38942459 has 4 divisors (see below), whose sum is σ = 39021000. Its totient is φ = 38863920.

The previous prime is 38942443. The next prime is 38942483. The reversal of 38942459 is 95424983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95424983 = 331 ⋅288293.

It is a cyclic number.

It is not a de Polignac number, because 38942459 - 2⁴ = 38942443 is a prime.

It is a super-2 number, since 2×38942459² = 3033030225933362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38942489) 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, 38522 + ... + 39519.

It is an arithmetic number, because the mean of its divisors is an integer number (9755250).

Almost surely, 2^38942459 is an apocalyptic number.

38942459 is a deficient number, since it is larger than the sum of its proper divisors (78541).

38942459 is an equidigital number, since it uses as much as digits as its factorization.

38942459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78540.

The product of its digits is 311040, while the sum is 44.

The square root of 38942459 is about 6240.3893308030. The cubic root of 38942459 is about 338.9542812725.

The spelling of 38942459 in words is "thirty-eight million, nine hundred forty-two thousand, four hundred fifty-nine".