94431 has 4 divisors (see below), whose sum is σ = 125912. Its totient is φ = 62952.

The previous prime is 94427. The next prime is 94433. The reversal of 94431 is 13449.

Added to its reverse (13449) it gives a triangular number (107880 = T₄₆₄).

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13449 = 3 ⋅4483.

It is not a de Polignac number, because 94431 - 2² = 94427 is a prime.

It is a super-2 number, since 2×94431² = 17834427522, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a nialpdrome in base 7 and base 10.

It is a junction number, because it is equal to n+sod(n) for n = 94398 and 94407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15736 + ... + 15741.

It is an arithmetic number, because the mean of its divisors is an integer number (31478).

2⁹⁴⁴³¹ is an apocalyptic number.

94431 is a deficient number, since it is larger than the sum of its proper divisors (31481).

94431 is a wasteful number, since it uses less digits than its factorization.

94431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31480.

The product of its digits is 432, while the sum is 21.

The square root of 94431 is about 307.2962739768. The cubic root of 94431 is about 45.5377459191.

Adding to 94431 its reverse (13449), we get a triangular number (107880 = T₄₆₄).

It can be divided in two parts, 94 and 431, that added together give a palindrome (525).

The spelling of 94431 in words is "ninety-four thousand, four hundred thirty-one".