5998505 has 16 divisors (see below), whose sum is σ = 7635600. Its totient is φ = 4515840.

The previous prime is 5998481. The next prime is 5998513. The reversal of 5998505 is 5058995.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1087849 + 4910656 = 1043^2 + 2216^2 .

It is not a de Polignac number, because 5998505 - 2¹⁴ = 5982121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5441 + ... + 6449.

It is an arithmetic number, because the mean of its divisors is an integer number (477225).

Almost surely, 2^5998505 is an apocalyptic number.

It is an amenable number.

5998505 is a deficient number, since it is larger than the sum of its proper divisors (1637095).

5998505 is a wasteful number, since it uses less digits than its factorization.

5998505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084.

The product of its (nonzero) digits is 81000, while the sum is 41.

The square root of 5998505 is about 2449.1845581744. The cubic root of 5998505 is about 181.6969658335.

The spelling of 5998505 in words is "five million, nine hundred ninety-eight thousand, five hundred five".