5999540 has 12 divisors (see below), whose sum is σ = 12599076. Its totient is φ = 2399808.

The previous prime is 5999537. The next prime is 5999551. The reversal of 5999540 is 459995.

It can be written as a sum of positive squares in 2 ways, for example, as 1623076 + 4376464 = 1274^2 + 2092^2 .

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 3 ways as a sum of consecutive naturals, for example, 149969 + ... + 150008.

It is an arithmetic number, because the mean of its divisors is an integer number (1049923).

Almost surely, 2^5999540 is an apocalyptic number.

It is an amenable number.

5999540 is an abundant number, since it is smaller than the sum of its proper divisors (6599536).

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

5999540 is a wasteful number, since it uses less digits than its factorization.

5999540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299986 (or 299984 counting only the distinct ones).

The product of its (nonzero) digits is 72900, while the sum is 41.

The square root of 5999540 is about 2449.3958438766. The cubic root of 5999540 is about 181.7074154119.

It can be divided in two parts, 59 and 99540, that added together give a palindrome (99599).

The spelling of 5999540 in words is "five million, nine hundred ninety-nine thousand, five hundred forty".