981574048 has 192 divisors, whose sum is σ = 2541853440. Its totient is φ = 362299392.

The previous prime is 981574031. The next prime is 981574057. The reversal of 981574048 is 840475189.

It is a super-2 number, since 2×981574048² = 1926975223414212608, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 981573989 and 981574007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6251986 + ... + 6252142.

It is an arithmetic number, because the mean of its divisors is an integer number (13238820).

Almost surely, 2^981574048 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 981574048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1270926720).

981574048 is an abundant number, since it is smaller than the sum of its proper divisors (1560279392).

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

981574048 is a wasteful number, since it uses less digits than its factorization.

981574048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 46.

The square root of 981574048 is about 31330.0821575686. The cubic root of 981574048 is about 993.8199010572.

The spelling of 981574048 in words is "nine hundred eighty-one million, five hundred seventy-four thousand, forty-eight".