961624 has 16 divisors (see below), whose sum is σ = 1829520. Its totient is φ = 473760.

The previous prime is 961619. The next prime is 961627. The reversal of 961624 is 426169.

961624 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 7.

It is a zygodrome in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 961592 and 961601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961627) 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, 279 + ... + 1414.

It is an arithmetic number, because the mean of its divisors is an integer number (114345).

2⁹⁶¹⁶²⁴ is an apocalyptic number.

It is an amenable number.

961624 is a deficient number, since it is larger than the sum of its proper divisors (867896).

961624 is a wasteful number, since it uses less digits than its factorization.

961624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1770 (or 1766 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 961624 is about 980.6242909494. The cubic root of 961624 is about 98.7040784188.

The spelling of 961624 in words is "nine hundred sixty-one thousand, six hundred twenty-four".