5981830 has 16 divisors (see below), whose sum is σ = 11139120. Its totient is φ = 2310112.

The previous prime is 5981819. The next prime is 5981851. The reversal of 5981830 is 381895.

It is a congruent number.

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, 10024 + ... + 10603.

It is an arithmetic number, because the mean of its divisors is an integer number (696195).

Almost surely, 2^5981830 is an apocalyptic number.

5981830 is a deficient number, since it is larger than the sum of its proper divisors (5157290).

5981830 is a wasteful number, since it uses less digits than its factorization.

5981830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20663.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 5981830 is about 2445.7779948311. Note that the first 3 decimals coincide. The cubic root of 5981830 is about 181.5284455817.

The spelling of 5981830 in words is "five million, nine hundred eighty-one thousand, eight hundred thirty".