5247990 has 160 divisors (see below), whose sum is σ = 16727040. Its totient is φ = 1166400.

The previous prime is 5247967. The next prime is 5247997. The reversal of 5247990 is 997425.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5247997) by changing a digit.

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 79 ways as a sum of consecutive naturals, for example, 169275 + ... + 169305.

It is an arithmetic number, because the mean of its divisors is an integer number (104544).

Almost surely, 2^5247990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5247990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8363520).

5247990 is an abundant number, since it is smaller than the sum of its proper divisors (11479050).

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

5247990 is a wasteful number, since it uses less digits than its factorization.

5247990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 5247990 is about 2290.8491875285. The cubic root of 5247990 is about 173.7791490526.

The spelling of 5247990 in words is "five million, two hundred forty-seven thousand, nine hundred ninety".