9961574 has 16 divisors (see below), whose sum is σ = 17203200. Its totient is φ = 4237704.

The previous prime is 9961573. The next prime is 9961579. The reversal of 9961574 is 4751699.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9961573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 614 + ... + 4505.

It is an arithmetic number, because the mean of its divisors is an integer number (1075200).

Almost surely, 2^9961574 is an apocalyptic number.

9961574 is a deficient number, since it is larger than the sum of its proper divisors (7241626).

9961574 is a wasteful number, since it uses less digits than its factorization.

9961574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5267.

The product of its digits is 68040, while the sum is 41.

The square root of 9961574 is about 3156.1961282531. The cubic root of 9961574 is about 215.1671604280.

The spelling of 9961574 in words is "nine million, nine hundred sixty-one thousand, five hundred seventy-four".