969631 has 4 divisors (see below), whose sum is σ = 1044232. Its totient is φ = 895032.

The previous prime is 969599. The next prime is 969637. The reversal of 969631 is 136969.

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 969631 - 2⁵ = 969599 is a prime.

It is a super-2 number, since 2×969631² = 1880368552322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (969637) 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, 37281 + ... + 37306.

It is an arithmetic number, because the mean of its divisors is an integer number (261058).

2⁹⁶⁹⁶³¹ is an apocalyptic number.

969631 is a deficient number, since it is larger than the sum of its proper divisors (74601).

969631 is a wasteful number, since it uses less digits than its factorization.

969631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74600.

The product of its digits is 8748, while the sum is 34.

The square root of 969631 is about 984.6984309930. The cubic root of 969631 is about 98.9772760143.

It can be divided in two parts, 969 and 631, that added together give a square (1600 = 40²).

The spelling of 969631 in words is "nine hundred sixty-nine thousand, six hundred thirty-one".