980549556 has 96 divisors (see below), whose sum is σ = 2699719680. Its totient is φ = 271206144.

The previous prime is 980549539. The next prime is 980549599. The reversal of 980549556 is 655945089.

It is a super-2 number, since 2×980549556² = 1922954863543594272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 980549499 and 980549508.

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, 330576 + ... + 333528.

It is an arithmetic number, because the mean of its divisors is an integer number (28122080).

Almost surely, 2^980549556 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 980549556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1349859840).

980549556 is an abundant number, since it is smaller than the sum of its proper divisors (1719170124).

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

980549556 is a wasteful number, since it uses less digits than its factorization.

980549556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3093 (or 3091 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 51.

The square root of 980549556 is about 31313.7279160435. The cubic root of 980549556 is about 993.4740229336.

The spelling of 980549556 in words is "nine hundred eighty million, five hundred forty-nine thousand, five hundred fifty-six".