7980798 has 64 divisors (see below), whose sum is σ = 19607040. Its totient is φ = 2115072.

The previous prime is 7980787. The next prime is 7980811. The reversal of 7980798 is 8970897.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58186 + ... + 58322.

It is an arithmetic number, because the mean of its divisors is an integer number (306360).

Almost surely, 2^7980798 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7980798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9803520).

7980798 is an abundant number, since it is smaller than the sum of its proper divisors (11626242).

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

7980798 is a wasteful number, since it uses less digits than its factorization.

7980798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241.

The product of its (nonzero) digits is 254016, while the sum is 48.

The square root of 7980798 is about 2825.0306193031. The cubic root of 7980798 is about 199.8398551357.

Subtracting 7980798 from its reverse (8970897), we obtain a palindrome (990099).

It can be divided in two parts, 7980 and 798, that added together give a palindrome (8778).

The spelling of 7980798 in words is "seven million, nine hundred eighty thousand, seven hundred ninety-eight".