981095818 has 16 divisors (see below), whose sum is σ = 1574497440. Its totient is φ = 457110000.

The previous prime is 981095803. The next prime is 981095827. The reversal of 981095818 is 818590189.

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, 209308 + ... + 213943.

It is an arithmetic number, because the mean of its divisors is an integer number (98406090).

Almost surely, 2^981095818 is an apocalyptic number.

981095818 is a deficient number, since it is larger than the sum of its proper divisors (593401622).

981095818 is a wasteful number, since it uses less digits than its factorization.

981095818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423333.

The product of its (nonzero) digits is 207360, while the sum is 49.

The square root of 981095818 is about 31322.4491060326. The cubic root of 981095818 is about 993.6584760824.

The spelling of 981095818 in words is "nine hundred eighty-one million, ninety-five thousand, eight hundred eighteen".