5998540 has 24 divisors (see below), whose sum is σ = 12836880. Its totient is φ = 2353728.

The previous prime is 5998537. The next prime is 5998541. The reversal of 5998540 is 458995.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 5998493 and 5998502.

It is not an unprimeable number, because it can be changed into a prime (5998541) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1770 + ... + 3889.

It is an arithmetic number, because the mean of its divisors is an integer number (534870).

Almost surely, 2^5998540 is an apocalyptic number.

It is an amenable number.

5998540 is an abundant number, since it is smaller than the sum of its proper divisors (6838340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5998540 is a wasteful number, since it uses less digits than its factorization.

5998540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5721 (or 5719 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 5998540 is about 2449.1917033993. The cubic root of 5998540 is about 181.6973192205.

It can be divided in two parts, 59985 and 40, that added together give a square (60025 = 245²).

The spelling of 5998540 in words is "five million, nine hundred ninety-eight thousand, five hundred forty".