961147806 has 16 divisors (see below), whose sum is σ = 1929091584. Its totient is φ = 319249944.

The previous prime is 961147801. The next prime is 961147807. The reversal of 961147806 is 608741169.

It is a super-2 number, since 2×961147806² = 1847610209957227272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961147801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281326 + ... + 284721.

It is an arithmetic number, because the mean of its divisors is an integer number (120568224).

Almost surely, 2^961147806 is an apocalyptic number.

961147806 is an abundant number, since it is smaller than the sum of its proper divisors (967943778).

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

961147806 is a wasteful number, since it uses less digits than its factorization.

961147806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566335.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 961147806 is about 31002.3838760828. The cubic root of 961147806 is about 986.8778305091.

The spelling of 961147806 in words is "nine hundred sixty-one million, one hundred forty-seven thousand, eight hundred six".