981013418 has 24 divisors (see below), whose sum is σ = 1867385664. Its totient is φ = 382212600.

The previous prime is 981013417. The next prime is 981013459. The reversal of 981013418 is 814310189.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (981013417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 453938 + ... + 456093.

It is an arithmetic number, because the mean of its divisors is an integer number (77807736).

Almost surely, 2^981013418 is an apocalyptic number.

981013418 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

981013418 is a deficient number, since it is larger than the sum of its proper divisors (886372246).

981013418 is a wasteful number, since it uses less digits than its factorization.

981013418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910058 (or 910051 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 981013418 is about 31321.1337278841. The cubic root of 981013418 is about 993.6306569339.

The spelling of 981013418 in words is "nine hundred eighty-one million, thirteen thousand, four hundred eighteen".