980297840 has 20 divisors (see below), whose sum is σ = 2279192664. Its totient is φ = 392119104.

The previous prime is 980297839. The next prime is 980297873. The reversal of 980297840 is 48792089.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6126782 + ... + 6126941.

Almost surely, 2^980297840 is an apocalyptic number.

It is an amenable number.

980297840 is an abundant number, since it is smaller than the sum of its proper divisors (1298894824).

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

980297840 is a wasteful number, since it uses less digits than its factorization.

980297840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12253736 (or 12253730 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 980297840 is about 31309.7083985143. The cubic root of 980297840 is about 993.3890043820.

The spelling of 980297840 in words is "nine hundred eighty million, two hundred ninety-seven thousand, eight hundred forty".