1598320441 has 3 divisors (see below), whose sum is σ = 1598360421. Its totient is φ = 1598280462.

The previous prime is 1598320411. The next prime is 1598320447. The reversal of 1598320441 is 1440238951.

The square root of 1598320441 is 39979.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1440238951 = 31 ⋅46459321.

It is not a de Polignac number, because 1598320441 - 2¹³ = 1598312249 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1598320441.

It is not an unprimeable number, because it can be changed into a prime (1598320447) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 19990 + ... + 59968.

It is an arithmetic number, because the mean of its divisors is an integer number (532786807).

Almost surely, 2^1598320441 is an apocalyptic number.

1598320441 is the 39979-th square number.

1598320441 is the 19990-th centered octagonal number.

It is an amenable number.

1598320441 is a deficient number, since it is larger than the sum of its proper divisors (39980).

1598320441 is an frugal number, since it uses more digits than its factorization.

1598320441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79958 (or 39979 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The cubic root of 1598320441 is about 1169.1976969742.

The spelling of 1598320441 in words is "one billion, five hundred ninety-eight million, three hundred twenty thousand, four hundred forty-one".