9130815 has 12 divisors (see below), whose sum is σ = 15826824. Its totient is φ = 4869744.

The previous prime is 9130801. The next prime is 9130817. The reversal of 9130815 is 5180319.

It is not a de Polignac number, because 9130815 - 2⁴ = 9130799 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9130817) 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, 101409 + ... + 101498.

It is an arithmetic number, because the mean of its divisors is an integer number (1318902).

Almost surely, 2^9130815 is an apocalyptic number.

9130815 is a deficient number, since it is larger than the sum of its proper divisors (6696009).

9130815 is a wasteful number, since it uses less digits than its factorization.

9130815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202918 (or 202915 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 9130815 is about 3021.7238457543. The cubic root of 9130815 is about 209.0113391740.

The spelling of 9130815 in words is "nine million, one hundred thirty thousand, eight hundred fifteen".