938431 has 8 divisors (see below), whose sum is σ = 1038464. Its totient is φ = 842400.

The previous prime is 938393. The next prime is 938437. The reversal of 938431 is 134839.

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

It is not a de Polignac number, because 938431 - 2⁹ = 937919 is a prime.

It is a super-2 number, since 2×938431² = 1761305483522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 938431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (938437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 495 + ... + 1456.

It is an arithmetic number, because the mean of its divisors is an integer number (129808).

2⁹³⁸⁴³¹ is an apocalyptic number.

938431 is a deficient number, since it is larger than the sum of its proper divisors (100033).

938431 is a wasteful number, since it uses less digits than its factorization.

938431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001.

The product of its digits is 2592, while the sum is 28.

The square root of 938431 is about 968.7264835855. The cubic root of 938431 is about 97.9040780154.

It can be divided in two parts, 938 and 431, that added together give a square (1369 = 37²).

The spelling of 938431 in words is "nine hundred thirty-eight thousand, four hundred thirty-one".