959431 has 4 divisors (see below), whose sum is σ = 1046664. Its totient is φ = 872200.

The previous prime is 959389. The next prime is 959449. The reversal of 959431 is 134959.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134959 = 11 ⋅12269.

It is a cyclic number.

It is not a de Polignac number, because 959431 - 2¹⁹ = 435143 is a prime.

It is a super-2 number, since 2×959431² = 1841015687522, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

959431 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 959393 and 959402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (959461) 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, 43600 + ... + 43621.

It is an arithmetic number, because the mean of its divisors is an integer number (261666).

2⁹⁵⁹⁴³¹ is an apocalyptic number.

959431 is a deficient number, since it is larger than the sum of its proper divisors (87233).

959431 is a wasteful number, since it uses less digits than its factorization.

959431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87232.

The product of its digits is 4860, while the sum is 31.

The square root of 959431 is about 979.5054874782. The cubic root of 959431 is about 98.6289891954.

The spelling of 959431 in words is "nine hundred fifty-nine thousand, four hundred thirty-one".