961435494 has 40 divisors (see below), whose sum is σ = 2178566280. Its totient is φ = 316872864.

The previous prime is 961435471. The next prime is 961435499. The reversal of 961435494 is 494534169.

961435494 is a `hidden beast` number, since 9 + 61 + 43 + 549 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961435499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 18924 + ... + 47759.

It is an arithmetic number, because the mean of its divisors is an integer number (54464157).

Almost surely, 2^961435494 is an apocalyptic number.

961435494 is an abundant number, since it is smaller than the sum of its proper divisors (1217130786).

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

961435494 is a wasteful number, since it uses less digits than its factorization.

961435494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66786 (or 66777 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 961435494 is about 31007.0233011813. The cubic root of 961435494 is about 986.9762838325.

The spelling of 961435494 in words is "nine hundred sixty-one million, four hundred thirty-five thousand, four hundred ninety-four".