961406607 has 12 divisors (see below), whose sum is σ = 1491161496. Its totient is φ = 549375120.

The previous prime is 961406603. The next prime is 961406609. The reversal of 961406607 is 706604169.

It is not a de Polignac number, because 961406607 - 2² = 961406603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961406603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3269944 + ... + 3270237.

It is an arithmetic number, because the mean of its divisors is an integer number (124263458).

Almost surely, 2^961406607 is an apocalyptic number.

961406607 is a deficient number, since it is larger than the sum of its proper divisors (529754889).

961406607 is a wasteful number, since it uses less digits than its factorization.

961406607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6540198 (or 6540191 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 961406607 is about 31006.5574838614. The cubic root of 961406607 is about 986.9663989366.

The spelling of 961406607 in words is "nine hundred sixty-one million, four hundred six thousand, six hundred seven".