961768940 has 24 divisors (see below), whose sum is σ = 2203325712. Its totient is φ = 349734080.

The previous prime is 961768903. The next prime is 961768979. The reversal of 961768940 is 49867169.

It is a super-3 number, since 3×961768940³ (a number of 28 digits) contains 333 as substring.

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, 2185619 + ... + 2186058.

It is an arithmetic number, because the mean of its divisors is an integer number (91805238).

Almost surely, 2^961768940 is an apocalyptic number.

It is an amenable number.

961768940 is an abundant number, since it is smaller than the sum of its proper divisors (1241556772).

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

961768940 is a wasteful number, since it uses less digits than its factorization.

961768940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4371697 (or 4371695 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 961768940 is about 31012.3997781533. The cubic root of 961768940 is about 987.0903720047.

The spelling of 961768940 in words is "nine hundred sixty-one million, seven hundred sixty-eight thousand, nine hundred forty".