961099385 has 16 divisors (see below), whose sum is σ = 1183952640. Its totient is φ = 748725120.

The previous prime is 961099361. The next prime is 961099397. The reversal of 961099385 is 583990169.

It is not a de Polignac number, because 961099385 - 2⁸ = 961099129 is a prime.

It is a super-3 number, since 3×961099385³ (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 15 ways as a sum of consecutive naturals, for example, 12170 + ... + 45500.

It is an arithmetic number, because the mean of its divisors is an integer number (73997040).

Almost surely, 2^961099385 is an apocalyptic number.

It is an amenable number.

961099385 is a deficient number, since it is larger than the sum of its proper divisors (222853255).

961099385 is a wasteful number, since it uses less digits than its factorization.

961099385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33488.

The product of its (nonzero) digits is 524880, while the sum is 50.

The square root of 961099385 is about 31001.6029424286. The cubic root of 961099385 is about 986.8612578191.

The spelling of 961099385 in words is "nine hundred sixty-one million, ninety-nine thousand, three hundred eighty-five".