1832000981 has 4 divisors (see below), whose sum is σ = 1836569964. Its totient is φ = 1827432000.

The previous prime is 1832000977. The next prime is 1832000987. The reversal of 1832000981 is 1890002381.

1832000981 = 30265² + 30266².

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 916030756 + 915970225 = 30266^2 + 30265^2 .

It is a cyclic number.

It is not a de Polignac number, because 1832000981 - 2² = 1832000977 is a prime.

It is a super-2 number, since 2×1832000981² = 6712455188769924722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1832000987) 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 3 ways as a sum of consecutive naturals, for example, 2283890 + ... + 2284691.

It is an arithmetic number, because the mean of its divisors is an integer number (459142491).

Almost surely, 2^1832000981 is an apocalyptic number.

1832000981 is the 30266-th centered square number.

It is an amenable number.

1832000981 is a deficient number, since it is larger than the sum of its proper divisors (4568983).

1832000981 is an equidigital number, since it uses as much as digits as its factorization.

1832000981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4568982.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 1832000981 is about 42801.8805778438. The cubic root of 1832000981 is about 1223.6068529331.

The spelling of 1832000981 in words is "one billion, eight hundred thirty-two million, nine hundred eighty-one", and thus it is an aban number.