8372290 has 16 divisors (see below), whose sum is σ = 15210360. Its totient is φ = 3317760.

The previous prime is 8372261. The next prime is 8372291. The reversal of 8372290 is 922738.

It can be written as a sum of positive squares in 4 ways, for example, as 7823209 + 549081 = 2797^2 + 741^2 .

It is not an unprimeable number, because it can be changed into a prime (8372291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2751 + ... + 4930.

Almost surely, 2^8372290 is an apocalyptic number.

8372290 is a deficient number, since it is larger than the sum of its proper divisors (6838070).

8372290 is a wasteful number, since it uses less digits than its factorization.

8372290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7797.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 8372290 is about 2893.4909711281. The cubic root of 8372290 is about 203.0554985889.

The spelling of 8372290 in words is "eight million, three hundred seventy-two thousand, two hundred ninety".