5211990 has 48 divisors (see below), whose sum is σ = 15488928. Its totient is φ = 1191168.

The previous prime is 5211959. The next prime is 5212003. The reversal of 5211990 is 991125.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3507 + ... + 4766.

It is an arithmetic number, because the mean of its divisors is an integer number (322686).

Almost surely, 2^5211990 is an apocalyptic number.

5211990 is an abundant number, since it is smaller than the sum of its proper divisors (10276938).

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

5211990 is a wasteful number, since it uses less digits than its factorization.

5211990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8293 (or 8290 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 27.

The square root of 5211990 is about 2282.9783178997. The cubic root of 5211990 is about 173.3808753547.

The spelling of 5211990 in words is "five million, two hundred eleven thousand, nine hundred ninety".