8452290 has 64 divisors (see below), whose sum is σ = 25297920. Its totient is φ = 1755840.

The previous prime is 8452277. The next prime is 8452291. The reversal of 8452290 is 922548.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a d-powerful number, because it can be written as 8³ + 4⁶ + 5² + 2²² + 2²² + 9⁵ + 0 .

It is not an unprimeable number, because it can be changed into a prime (8452291) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 481 + ... + 4139.

It is an arithmetic number, because the mean of its divisors is an integer number (395280).

Almost surely, 2^8452290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8452290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12648960).

8452290 is an abundant number, since it is smaller than the sum of its proper divisors (16845630).

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

8452290 is a wasteful number, since it uses less digits than its factorization.

8452290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3687.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 8452290 is about 2907.2822360411. The cubic root of 8452290 is about 203.7002036211.

The spelling of 8452290 in words is "eight million, four hundred fifty-two thousand, two hundred ninety".