9661456 has 20 divisors (see below), whose sum is σ = 21393472. Its totient is φ = 4140576.

The previous prime is 9661441. The next prime is 9661459. The reversal of 9661456 is 6541669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9661459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43020 + ... + 43243.

Almost surely, 2^9661456 is an apocalyptic number.

It is an amenable number.

9661456 is an abundant number, since it is smaller than the sum of its proper divisors (11732016).

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

9661456 is a wasteful number, since it uses less digits than its factorization.

9661456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86278 (or 86272 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The square root of 9661456 is about 3108.2882749192. The cubic root of 9661456 is about 212.9842685671.

The spelling of 9661456 in words is "nine million, six hundred sixty-one thousand, four hundred fifty-six".