3982998321 has 27 divisors (see below), whose sum is σ = 5836727169. Its totient is φ = 2617339392.

The previous prime is 3982998307. The next prime is 3982998347. The reversal of 3982998321 is 1238992893.

The square root of 3982998321 is 63111.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 18533025 + 3964465296 = 4305^2 + 62964^2 .

It is not a de Polignac number, because 3982998321 - 2¹⁷ = 3982867249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3982994321) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 20637201 + ... + 20637393.

Almost surely, 2^3982998321 is an apocalyptic number.

3982998321 is the 63111-st square number.

3982998321 is the 31556-th centered octagonal number.

It is an amenable number.

3982998321 is a deficient number, since it is larger than the sum of its proper divisors (1853728848).

3982998321 is an equidigital number, since it uses as much as digits as its factorization.

3982998321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610 (or 305 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 54.

The cubic root of 3982998321 is about 1585.1488177066.

The spelling of 3982998321 in words is "three billion, nine hundred eighty-two million, nine hundred ninety-eight thousand, three hundred twenty-one".