961571412 has 48 divisors (see below), whose sum is σ = 2523763200. Its totient is φ = 320520888.

The previous prime is 961571407. The next prime is 961571447. The reversal of 961571412 is 214175169.

961571412 is a `hidden beast` number, since 96 + 157 + 1 + 412 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46212 + ... + 63707.

It is an arithmetic number, because the mean of its divisors is an integer number (52578400).

Almost surely, 2^961571412 is an apocalyptic number.

It is an amenable number.

961571412 is an abundant number, since it is smaller than the sum of its proper divisors (1562191788).

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

961571412 is a wasteful number, since it uses less digits than its factorization.

961571412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109944 (or 109924 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 961571412 is about 31009.2149529781. The cubic root of 961571412 is about 987.0227912070.

The spelling of 961571412 in words is "nine hundred sixty-one million, five hundred seventy-one thousand, four hundred twelve".