961489356 has 24 divisors (see below), whose sum is σ = 2248841280. Its totient is φ = 319729872.

The previous prime is 961489337. The next prime is 961489379. The reversal of 961489356 is 653984169.

It is a junction number, because it is equal to n+sod(n) for n = 961489299 and 961489308.

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, 90586 + ... + 100641.

It is an arithmetic number, because the mean of its divisors is an integer number (93701720).

Almost surely, 2^961489356 is an apocalyptic number.

It is an amenable number.

961489356 is an abundant number, since it is smaller than the sum of its proper divisors (1287351924).

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

961489356 is a wasteful number, since it uses less digits than its factorization.

961489356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191653 (or 191651 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 51.

The square root of 961489356 is about 31007.8918341767. The cubic root of 961489356 is about 986.9947144412.

The spelling of 961489356 in words is "nine hundred sixty-one million, four hundred eighty-nine thousand, three hundred fifty-six".