8154090 has 108 divisors (see below), whose sum is σ = 25248834. Its totient is φ = 1820448.

The previous prime is 8154073. The next prime is 8154127. The reversal of 8154090 is 904518.

It can be written as a sum of positive squares in only one way, i.e., 7338681 + 815409 = 2709^2 + 903^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 189609 + ... + 189651.

Almost surely, 2^8154090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8154090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12624417).

8154090 is an abundant number, since it is smaller than the sum of its proper divisors (17094744).

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

8154090 is a wasteful number, since it uses less digits than its factorization.

8154090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 8154090 is about 2855.5367271320. The cubic root of 8154090 is about 201.2759260865.

Multiplying 8154090 by its product of nonzero digits (1440), we get a square (11741889600 = 108360²).

The spelling of 8154090 in words is "eight million, one hundred fifty-four thousand, ninety".