9628131 has 8 divisors (see below), whose sum is σ = 12962560. Its totient is φ = 6356232.

The previous prime is 9628127. The next prime is 9628133. The reversal of 9628131 is 1318269.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9628131 - 2² = 9628127 is a prime.

It is a super-2 number, since 2×9628131² = 185401813106322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9628133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15271 + ... + 15888.

It is an arithmetic number, because the mean of its divisors is an integer number (1620320).

Almost surely, 2^9628131 is an apocalyptic number.

9628131 is a deficient number, since it is larger than the sum of its proper divisors (3334429).

9628131 is a wasteful number, since it uses less digits than its factorization.

9628131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31265.

The product of its digits is 2592, while the sum is 30.

The square root of 9628131 is about 3102.9229768075. The cubic root of 9628131 is about 212.7391061727.

The spelling of 9628131 in words is "nine million, six hundred twenty-eight thousand, one hundred thirty-one".