981481674 has 16 divisors (see below), whose sum is σ = 1966722912. Its totient is φ = 326533968.

The previous prime is 981481673. The next prime is 981481693. The reversal of 981481674 is 476184189.

It is not an unprimeable number, because it can be changed into a prime (981481673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153249 + ... + 159524.

It is an arithmetic number, because the mean of its divisors is an integer number (122920182).

Almost surely, 2^981481674 is an apocalyptic number.

981481674 is an abundant number, since it is smaller than the sum of its proper divisors (985241238).

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

981481674 is a wasteful number, since it uses less digits than its factorization.

981481674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313301.

The product of its digits is 387072, while the sum is 48.

The square root of 981481674 is about 31328.6079167268. The cubic root of 981481674 is about 993.7887246015.

The spelling of 981481674 in words is "nine hundred eighty-one million, four hundred eighty-one thousand, six hundred seventy-four".