5280990 has 64 divisors (see below), whose sum is σ = 14902272. Its totient is φ = 1180800.

The previous prime is 5280983. The next prime is 5281019. The reversal of 5280990 is 990825.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3675 + ... + 4905.

It is an arithmetic number, because the mean of its divisors is an integer number (232848).

Almost surely, 2^5280990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5280990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7451136).

5280990 is an abundant number, since it is smaller than the sum of its proper divisors (9621282).

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

5280990 is a wasteful number, since it uses less digits than its factorization.

5280990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 5280990 is about 2298.0404696175. The cubic root of 5280990 is about 174.1426363780.

The spelling of 5280990 in words is "five million, two hundred eighty thousand, nine hundred ninety".