980350644 has 144 divisors (see below), whose sum is σ = 2882197248. Its totient is φ = 257064192.

The previous prime is 980350627. The next prime is 980350663. The reversal of 980350644 is 446053089.

It is a super-2 number, since 2×980350644² = 1922174770382429472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2117157 + ... + 2117619.

Almost surely, 2^980350644 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 980350644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1441098624).

980350644 is an abundant number, since it is smaller than the sum of its proper divisors (1901846604).

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

980350644 is a wasteful number, since it uses less digits than its factorization.

980350644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774 (or 765 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 980350644 is about 31310.5516399823. The cubic root of 980350644 is about 993.4068404481.

The spelling of 980350644 in words is "nine hundred eighty million, three hundred fifty thousand, six hundred forty-four".