946831 has 4 divisors (see below), whose sum is σ = 949032. Its totient is φ = 944632.

The previous prime is 946823. The next prime is 946853. The reversal of 946831 is 138649.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 946831 - 2³ = 946823 is a prime.

It is a super-2 number, since 2×946831² = 1792977885122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

946831 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 946793 and 946802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (946801) 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, 220 + ... + 1393.

It is an arithmetic number, because the mean of its divisors is an integer number (237258).

2⁹⁴⁶⁸³¹ is an apocalyptic number.

946831 is a deficient number, since it is larger than the sum of its proper divisors (2201).

946831 is a wasteful number, since it uses less digits than its factorization.

946831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2200.

The product of its digits is 5184, while the sum is 31.

The square root of 946831 is about 973.0524137990. The cubic root of 946831 is about 98.1953274891.

The spelling of 946831 in words is "nine hundred forty-six thousand, eight hundred thirty-one".