8380090 has 16 divisors (see below), whose sum is σ = 15121800. Its totient is φ = 3343680.

The previous prime is 8380087. The next prime is 8380091. The reversal of 8380090 is 900838.

It can be written as a sum of positive squares in 4 ways, for example, as 5726449 + 2653641 = 2393^2 + 1629^2 .

It is not an unprimeable number, because it can be changed into a prime (8380091) 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, 4636 + ... + 6184.

Almost surely, 2^8380090 is an apocalyptic number.

8380090 is a deficient number, since it is larger than the sum of its proper divisors (6741710).

8380090 is a wasteful number, since it uses less digits than its factorization.

8380090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2097.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 8380090 is about 2894.8385101763. The cubic root of 8380090 is about 203.1185375459.

The spelling of 8380090 in words is "eight million, three hundred eighty thousand, ninety".