5623290 has 64 divisors (see below), whose sum is σ = 15292800. Its totient is φ = 1469952.

The previous prime is 5623283. The next prime is 5623291. The reversal of 5623290 is 923265.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (5623291) 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, 15754 + ... + 16106.

It is an arithmetic number, because the mean of its divisors is an integer number (238950).

Almost surely, 2^5623290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5623290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7646400).

5623290 is an abundant number, since it is smaller than the sum of its proper divisors (9669510).

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

5623290 is a wasteful number, since it uses less digits than its factorization.

5623290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428 (or 422 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 5623290 is about 2371.3477180709. The cubic root of 5623290 is about 177.8266418053.

The spelling of 5623290 in words is "five million, six hundred twenty-three thousand, two hundred ninety".