964631 has 8 divisors (see below), whose sum is σ = 1030320. Its totient is φ = 899968.

The previous prime is 964609. The next prime is 964637. The reversal of 964631 is 136469.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 964631 - 2¹⁰ = 963607 is a prime.

It is a super-2 number, since 2×964631² = 1861025932322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 964594 and 964603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (964637) 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 7 ways as a sum of consecutive naturals, for example, 2885 + ... + 3201.

It is an arithmetic number, because the mean of its divisors is an integer number (128790).

2⁹⁶⁴⁶³¹ is an apocalyptic number.

964631 is a deficient number, since it is larger than the sum of its proper divisors (65689).

964631 is a wasteful number, since it uses less digits than its factorization.

964631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513.

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

The square root of 964631 is about 982.1563012067. The cubic root of 964631 is about 98.8068539777.

The spelling of 964631 in words is "nine hundred sixty-four thousand, six hundred thirty-one".