981895742 has 16 divisors (see below), whose sum is σ = 1480785840. Its totient is φ = 488306688.

The previous prime is 981895721. The next prime is 981895769. The reversal of 981895742 is 247598189.

981895742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 548573 + ... + 550359.

It is an arithmetic number, because the mean of its divisors is an integer number (92549115).

Almost surely, 2^981895742 is an apocalyptic number.

981895742 is a deficient number, since it is larger than the sum of its proper divisors (498890098).

981895742 is a wasteful number, since it uses less digits than its factorization.

981895742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3115.

The product of its digits is 1451520, while the sum is 53.

The square root of 981895742 is about 31335.2156845936. The cubic root of 981895742 is about 993.9284583213.

The spelling of 981895742 in words is "nine hundred eighty-one million, eight hundred ninety-five thousand, seven hundred forty-two".