981403466 has 32 divisors (see below), whose sum is σ = 1607454720. Its totient is φ = 447768000.

The previous prime is 981403439. The next prime is 981403469. The reversal of 981403466 is 664304189.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (981403469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138551 + ... + 145461.

It is an arithmetic number, because the mean of its divisors is an integer number (50232960).

Almost surely, 2^981403466 is an apocalyptic number.

981403466 is a deficient number, since it is larger than the sum of its proper divisors (626051254).

981403466 is a wasteful number, since it uses less digits than its factorization.

981403466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7070.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 981403466 is about 31327.3597036201. The cubic root of 981403466 is about 993.7623276769.

The spelling of 981403466 in words is "nine hundred eighty-one million, four hundred three thousand, four hundred sixty-six".