8290290 has 16 divisors (see below), whose sum is σ = 19896768. Its totient is φ = 2210736.

The previous prime is 8290277. The next prime is 8290291. The reversal of 8290290 is 920928.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 276343 = 8290290 / (8 + 2 + 9 + 0 + 2 + 9 + 0).

It is not an unprimeable number, because it can be changed into a prime (8290291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138142 + ... + 138201.

It is an arithmetic number, because the mean of its divisors is an integer number (1243548).

Almost surely, 2^8290290 is an apocalyptic number.

8290290 is an abundant number, since it is smaller than the sum of its proper divisors (11606478).

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

8290290 is a wasteful number, since it uses less digits than its factorization.

8290290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276353.

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

The square root of 8290290 is about 2879.2863699188. The cubic root of 8290290 is about 202.3903994623.

The spelling of 8290290 in words is "eight million, two hundred ninety thousand, two hundred ninety".