931442 has 4 divisors (see below), whose sum is σ = 1397166. Its totient is φ = 465720.

The previous prime is 931421. The next prime is 931487. The reversal of 931442 is 244139.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 244139 = 7 ⋅34877.

It can be written as a sum of positive squares in only one way, i.e., 923521 + 7921 = 961^2 + 89^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 931442.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 232859 + ... + 232862.

2⁹³¹⁴⁴² is an apocalyptic number.

931442 is a deficient number, since it is larger than the sum of its proper divisors (465724).

931442 is a wasteful number, since it uses less digits than its factorization.

931442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465723.

The product of its digits is 864, while the sum is 23.

The square root of 931442 is about 965.1124286838. The cubic root of 931442 is about 97.6604240413.

The spelling of 931442 in words is "nine hundred thirty-one thousand, four hundred forty-two".