981742328 has 16 divisors (see below), whose sum is σ = 2103733680. Its totient is φ = 420746688.

The previous prime is 981742301. The next prime is 981742351. The reversal of 981742328 is 823247189.

It is a congruent number.

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, 8765501 + ... + 8765612.

It is an arithmetic number, because the mean of its divisors is an integer number (131483355).

Almost surely, 2^981742328 is an apocalyptic number.

It is an amenable number.

981742328 is an abundant number, since it is smaller than the sum of its proper divisors (1121991352).

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

981742328 is a wasteful number, since it uses less digits than its factorization.

981742328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17531126 (or 17531122 counting only the distinct ones).

The product of its digits is 193536, while the sum is 44.

The square root of 981742328 is about 31332.7676402836. The cubic root of 981742328 is about 993.8766909506.

The spelling of 981742328 in words is "nine hundred eighty-one million, seven hundred forty-two thousand, three hundred twenty-eight".