8130290 has 32 divisors (see below), whose sum is σ = 17608320. Its totient is φ = 2640384.

The previous prime is 8130251. The next prime is 8130299. The reversal of 8130290 is 920318.

It is a super-2 number, since 2×8130290² = 132203230968200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8130299) 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, 1727 + ... + 4386.

It is an arithmetic number, because the mean of its divisors is an integer number (550260).

Almost surely, 2^8130290 is an apocalyptic number.

8130290 is an abundant number, since it is smaller than the sum of its proper divisors (9478030).

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

8130290 is a wasteful number, since it uses less digits than its factorization.

8130290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6146.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 8130290 is about 2851.3663391434. The cubic root of 8130290 is about 201.0799084933.

The spelling of 8130290 in words is "eight million, one hundred thirty thousand, two hundred ninety".