38242431 has 6 divisors (see below), whose sum is σ = 55239080. Its totient is φ = 25494948.

The previous prime is 38242409. The next prime is 38242441. The reversal of 38242431 is 13424283.

It is not a de Polignac number, because 38242431 - 2¹⁰ = 38241407 is a prime.

It is a super-2 number, since 2×38242431² = 2924967057579522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38242395 and 38242404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38242441) 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, 2124571 + ... + 2124588.

Almost surely, 2^38242431 is an apocalyptic number.

38242431 is a deficient number, since it is larger than the sum of its proper divisors (16996649).

38242431 is a wasteful number, since it uses less digits than its factorization.

38242431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4249165 (or 4249162 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 38242431 is about 6184.0464907696. The cubic root of 38242431 is about 336.9109791957.

The spelling of 38242431 in words is "thirty-eight million, two hundred forty-two thousand, four hundred thirty-one".