8130890 has 8 divisors (see below), whose sum is σ = 14635620. Its totient is φ = 3252352.

The previous prime is 8130883. The next prime is 8130901. The reversal of 8130890 is 980318.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7524049 + 606841 = 2743^2 + 779^2 .

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

It is a super-2 number, since 2×8130890² = 132222744384200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406535 + ... + 406554.

Almost surely, 2^8130890 is an apocalyptic number.

8130890 is a deficient number, since it is larger than the sum of its proper divisors (6504730).

8130890 is a wasteful number, since it uses less digits than its factorization.

8130890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813096.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 8130890 is about 2851.4715499194. The cubic root of 8130890 is about 201.0848548104.

The spelling of 8130890 in words is "eight million, one hundred thirty thousand, eight hundred ninety".