5991278 has 8 divisors (see below), whose sum is σ = 9178272. Its totient is φ = 2931856.

The previous prime is 5991263. The next prime is 5991311. The reversal of 5991278 is 8721995.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31775 + ... + 31962.

It is an arithmetic number, because the mean of its divisors is an integer number (1147284).

Almost surely, 2^5991278 is an apocalyptic number.

5991278 is a deficient number, since it is larger than the sum of its proper divisors (3186994).

5991278 is a wasteful number, since it uses less digits than its factorization.

5991278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63786.

The product of its digits is 45360, while the sum is 41.

The square root of 5991278 is about 2447.7087245013. The cubic root of 5991278 is about 181.6239669960.

The spelling of 5991278 in words is "five million, nine hundred ninety-one thousand, two hundred seventy-eight".