5998539 has 4 divisors (see below), whose sum is σ = 7998056. Its totient is φ = 3999024.

The previous prime is 5998537. The next prime is 5998541. The reversal of 5998539 is 9358995.

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

It is an interprime number because it is at equal distance from previous prime (5998537) and next prime (5998541).

It is not a de Polignac number, because 5998539 - 2¹ = 5998537 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5998537) 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, 999754 + ... + 999759.

It is an arithmetic number, because the mean of its divisors is an integer number (1999514).

Almost surely, 2^5998539 is an apocalyptic number.

5998539 is a deficient number, since it is larger than the sum of its proper divisors (1999517).

5998539 is a wasteful number, since it uses less digits than its factorization.

5998539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1999516.

The product of its digits is 437400, while the sum is 48.

The square root of 5998539 is about 2449.1914992503. The cubic root of 5998539 is about 181.6973091238.

The spelling of 5998539 in words is "five million, nine hundred ninety-eight thousand, five hundred thirty-nine".