5220990 has 64 divisors (see below), whose sum is σ = 14195520. Its totient is φ = 1365120.

The previous prime is 5220983. The next prime is 5220997. The reversal of 5220990 is 990225.

It is an interprime number because it is at equal distance from previous prime (5220983) and next prime (5220997).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5220997) 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, 16312 + ... + 16628.

It is an arithmetic number, because the mean of its divisors is an integer number (221805).

Almost surely, 2^5220990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5220990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7097760).

5220990 is an abundant number, since it is smaller than the sum of its proper divisors (8974530).

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

5220990 is a wasteful number, since it uses less digits than its factorization.

5220990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394 (or 388 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 5220990 is about 2284.9485771019. The cubic root of 5220990 is about 173.4806152854.

The spelling of 5220990 in words is "five million, two hundred twenty thousand, nine hundred ninety".