981433580 has 12 divisors (see below), whose sum is σ = 2061010560. Its totient is φ = 392573424.

The previous prime is 981433577. The next prime is 981433597. The reversal of 981433580 is 85334189.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24535820 + ... + 24535859.

It is an arithmetic number, because the mean of its divisors is an integer number (171750880).

Almost surely, 2^981433580 is an apocalyptic number.

It is an amenable number.

981433580 is an abundant number, since it is smaller than the sum of its proper divisors (1079576980).

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

981433580 is a wasteful number, since it uses less digits than its factorization.

981433580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49071688 (or 49071686 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 981433580 is about 31327.8403341181. The cubic root of 981433580 is about 993.7724919820.

The spelling of 981433580 in words is "nine hundred eighty-one million, four hundred thirty-three thousand, five hundred eighty".