982921572 has 36 divisors (see below), whose sum is σ = 2630762316. Its totient is φ = 308367360.

The previous prime is 982921571. The next prime is 982921601. The reversal of 982921572 is 275129289.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 714813696 + 268107876 = 26736^2 + 16374^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×982921572² = 1932269633405902368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (982921571) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 802429 + ... + 803652.

It is an arithmetic number, because the mean of its divisors is an integer number (73076731).

Almost surely, 2^982921572 is an apocalyptic number.

It is an amenable number.

982921572 is an abundant number, since it is smaller than the sum of its proper divisors (1647840744).

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

982921572 is a wasteful number, since it uses less digits than its factorization.

982921572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1606108 (or 1606103 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 982921572 is about 31351.5800558760. The cubic root of 982921572 is about 994.2744715548.

The spelling of 982921572 in words is "nine hundred eighty-two million, nine hundred twenty-one thousand, five hundred seventy-two".