981144098 has 32 divisors (see below), whose sum is σ = 1636683840. Its totient is φ = 437400000.

The previous prime is 981144091. The next prime is 981144179. The reversal of 981144098 is 890441189.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (981144091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240173 + ... + 244223.

It is an arithmetic number, because the mean of its divisors is an integer number (51146370).

Almost surely, 2^981144098 is an apocalyptic number.

981144098 is a deficient number, since it is larger than the sum of its proper divisors (655539742).

981144098 is a wasteful number, since it uses less digits than its factorization.

981144098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4274.

The product of its (nonzero) digits is 82944, while the sum is 44.

The square root of 981144098 is about 31323.2197897981. The cubic root of 981144098 is about 993.6747752190.

The spelling of 981144098 in words is "nine hundred eighty-one million, one hundred forty-four thousand, ninety-eight".