981422826 has 8 divisors (see below), whose sum is σ = 1962845664. Its totient is φ = 327140940.

The previous prime is 981422797. The next prime is 981422833. The reversal of 981422826 is 628224189.

It is a sphenic number, since it is the product of 3 distinct primes.

981422826 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81785230 + ... + 81785241.

It is an arithmetic number, because the mean of its divisors is an integer number (245355708).

Almost surely, 2^981422826 is an apocalyptic number.

981422826 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

981422826 is a wasteful number, since it uses less digits than its factorization.

981422826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163570476.

The product of its digits is 110592, while the sum is 42.

The square root of 981422826 is about 31327.6686971757. The cubic root of 981422826 is about 993.7688622344.

It can be divided in two parts, 9814 and 22826, that added together give a triangular number (32640 = T₂₅₅).

The spelling of 981422826 in words is "nine hundred eighty-one million, four hundred twenty-two thousand, eight hundred twenty-six".