9130621 has 16 divisors (see below), whose sum is σ = 10123200. Its totient is φ = 8201088.

The previous prime is 9130619. The next prime is 9130633. The reversal of 9130621 is 1260319.

9130621 = 174² + 175² + ... + 319².

It is a cyclic number.

It is not a de Polignac number, because 9130621 - 2¹ = 9130619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9130592 and 9130601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9130651) 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 15 ways as a sum of consecutive naturals, for example, 40110 + ... + 40336.

It is an arithmetic number, because the mean of its divisors is an integer number (632700).

Almost surely, 2^9130621 is an apocalyptic number.

It is an amenable number.

9130621 is a deficient number, since it is larger than the sum of its proper divisors (992579).

9130621 is a wasteful number, since it uses less digits than its factorization.

9130621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 9130621 is about 3021.6917447020. The cubic root of 9130621 is about 209.0098588941.

The spelling of 9130621 in words is "nine million, one hundred thirty thousand, six hundred twenty-one".