946631 has 6 divisors (see below), whose sum is σ = 1101240. Its totient is φ = 811356.

The previous prime is 946607. The next prime is 946661. The reversal of 946631 is 136649.

It is a de Polignac number, because none of the positive numbers 2^k-946631 is a prime.

It is a super-2 number, since 2×946631² = 1792220500322, which contains 22 as substring.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 946594 and 946603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (946661) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9611 + ... + 9708.

It is an arithmetic number, because the mean of its divisors is an integer number (183540).

2⁹⁴⁶⁶³¹ is an apocalyptic number.

946631 is a deficient number, since it is larger than the sum of its proper divisors (154609).

946631 is a wasteful number, since it uses less digits than its factorization.

946631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19333 (or 19326 counting only the distinct ones).

The product of its digits is 3888, while the sum is 29.

The square root of 946631 is about 972.9496389845. The cubic root of 946631 is about 98.1884130385.

The spelling of 946631 in words is "nine hundred forty-six thousand, six hundred thirty-one".