961744004 has 24 divisors (see below), whose sum is σ = 1815632280. Its totient is φ = 443119104.

The previous prime is 961743983. The next prime is 961744027. The reversal of 961744004 is 400447169.

It can be written as a sum of positive squares in 4 ways, for example, as 123904 + 961620100 = 352^2 + 31010^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15242 + ... + 46430.

It is an arithmetic number, because the mean of its divisors is an integer number (75651345).

Almost surely, 2^961744004 is an apocalyptic number.

It is an amenable number.

961744004 is a deficient number, since it is larger than the sum of its proper divisors (853888276).

961744004 is a wasteful number, since it uses less digits than its factorization.

961744004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31799 (or 31797 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 961744004 is about 31011.9977428092. The cubic root of 961744004 is about 987.0818410929.

The spelling of 961744004 in words is "nine hundred sixty-one million, seven hundred forty-four thousand, four".