981481829 has 8 divisors (see below), whose sum is σ = 1059471360. Its totient is φ = 906435376.

The previous prime is 981481819. The next prime is 981481877. The reversal of 981481829 is 928184189.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 981481829 - 2²⁰ = 980433253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (981481819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 735077 + ... + 736410.

It is an arithmetic number, because the mean of its divisors is an integer number (132433920).

Almost surely, 2^981481829 is an apocalyptic number.

It is an amenable number.

981481829 is a deficient number, since it is larger than the sum of its proper divisors (77989531).

981481829 is a wasteful number, since it uses less digits than its factorization.

981481829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1471539.

The product of its digits is 331776, while the sum is 50.

The square root of 981481829 is about 31328.6103905041. The cubic root of 981481829 is about 993.7887769160.

The spelling of 981481829 in words is "nine hundred eighty-one million, four hundred eighty-one thousand, eight hundred twenty-nine".