981834481 has 4 divisors (see below), whose sum is σ = 1033510000. Its totient is φ = 930158964.

The previous prime is 981834431. The next prime is 981834509. The reversal of 981834481 is 184438189.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 981834481 - 2⁹ = 981833969 is a prime.

It is a super-2 number, since 2×981834481² = 1927997896161078722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (981834401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25837731 + ... + 25837768.

It is an arithmetic number, because the mean of its divisors is an integer number (258377500).

Almost surely, 2^981834481 is an apocalyptic number.

It is an amenable number.

981834481 is a deficient number, since it is larger than the sum of its proper divisors (51675519).

981834481 is a wasteful number, since it uses less digits than its factorization.

981834481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51675518.

The product of its digits is 221184, while the sum is 46.

The square root of 981834481 is about 31334.2381589213. The cubic root of 981834481 is about 993.9077873155.

The spelling of 981834481 in words is "nine hundred eighty-one million, eight hundred thirty-four thousand, four hundred eighty-one".