5999780 has 24 divisors (see below), whose sum is σ = 13148352. Its totient is φ = 2295392.

The previous prime is 5999779. The next prime is 5999831. The reversal of 5999780 is 879995.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6062 + ... + 6981.

It is an arithmetic number, because the mean of its divisors is an integer number (547848).

Almost surely, 2^5999780 is an apocalyptic number.

It is an amenable number.

5999780 is an abundant number, since it is smaller than the sum of its proper divisors (7148572).

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

5999780 is a wasteful number, since it uses less digits than its factorization.

5999780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13075 (or 13073 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 47.

The square root of 5999780 is about 2449.4448350596. Note that the first 3 decimals coincide. The cubic root of 5999780 is about 181.7098383309.

The spelling of 5999780 in words is "five million, nine hundred ninety-nine thousand, seven hundred eighty".