5640798 has 16 divisors (see below), whose sum is σ = 11586960. Its totient is φ = 1829376.

The previous prime is 5640781. The next prime is 5640823. The reversal of 5640798 is 8970465.

It is a Curzon number.

It is a plaindrome in base 13.

It is a nialpdrome in base 15.

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 7 ways as a sum of consecutive naturals, for example, 12483 + ... + 12926.

It is an arithmetic number, because the mean of its divisors is an integer number (724185).

Almost surely, 2^5640798 is an apocalyptic number.

5640798 is an abundant number, since it is smaller than the sum of its proper divisors (5946162).

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

5640798 is a wasteful number, since it uses less digits than its factorization.

5640798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25451.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 5640798 is about 2375.0364207734. The cubic root of 5640798 is about 178.0110038225.

The spelling of 5640798 in words is "five million, six hundred forty thousand, seven hundred ninety-eight".