961971828 has 24 divisors (see below), whose sum is σ = 2245807200. Its totient is φ = 320484960.

The previous prime is 961971821. The next prime is 961971833. The reversal of 961971828 is 828179169.

961971828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961971821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2823 + ... + 43953.

It is an arithmetic number, because the mean of its divisors is an integer number (93575300).

Almost surely, 2^961971828 is an apocalyptic number.

It is an amenable number.

961971828 is an abundant number, since it is smaller than the sum of its proper divisors (1283835372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

961971828 is a wasteful number, since it uses less digits than its factorization.

961971828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43087 (or 43085 counting only the distinct ones).

The product of its digits is 435456, while the sum is 51.

The square root of 961971828 is about 31015.6706843492. The cubic root of 961971828 is about 987.1597770016.

The spelling of 961971828 in words is "nine hundred sixty-one million, nine hundred seventy-one thousand, eight hundred twenty-eight".