980343648 has 144 divisors (see below), whose sum is σ = 2915115840. Its totient is φ = 324072576.

The previous prime is 980343643. The next prime is 980343649. The reversal of 980343648 is 846343089.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×980343648² = 1922147336347895808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (980343643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1080411 + ... + 1081317.

It is an arithmetic number, because the mean of its divisors is an integer number (20243860).

Almost surely, 2^980343648 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 980343648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1457557920).

980343648 is an abundant number, since it is smaller than the sum of its proper divisors (1934772192).

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

980343648 is a wasteful number, since it uses less digits than its factorization.

980343648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071 (or 1051 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 980343648 is about 31310.4399202566. The cubic root of 980343648 is about 993.4044773852.

The spelling of 980343648 in words is "nine hundred eighty million, three hundred forty-three thousand, six hundred forty-eight".