961929786 has 16 divisors (see below), whose sum is σ = 1941840864. Its totient is φ = 317646384.

The previous prime is 961929763. The next prime is 961929817. The reversal of 961929786 is 687929169.

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, 748525 + ... + 749808.

It is an arithmetic number, because the mean of its divisors is an integer number (121365054).

Almost surely, 2^961929786 is an apocalyptic number.

961929786 is an abundant number, since it is smaller than the sum of its proper divisors (979911078).

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

961929786 is a wasteful number, since it uses less digits than its factorization.

961929786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1498445.

The product of its digits is 2939328, while the sum is 57.

The square root of 961929786 is about 31014.9929227785. The cubic root of 961929786 is about 987.1453958541.

The spelling of 961929786 in words is "nine hundred sixty-one million, nine hundred twenty-nine thousand, seven hundred eighty-six".