5991678 has 96 divisors (see below), whose sum is σ = 16853760. Its totient is φ = 1544400.

The previous prime is 5991677. The next prime is 5991709. The reversal of 5991678 is 8761995.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5991677) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45673 + ... + 45803.

It is an arithmetic number, because the mean of its divisors is an integer number (175560).

Almost surely, 2^5991678 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5991678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8426880).

5991678 is an abundant number, since it is smaller than the sum of its proper divisors (10862082).

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

5991678 is a wasteful number, since it uses less digits than its factorization.

5991678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 154 counting only the distinct ones).

The product of its digits is 136080, while the sum is 45.

The square root of 5991678 is about 2447.7904322062. The cubic root of 5991678 is about 181.6280088698.

The spelling of 5991678 in words is "five million, nine hundred ninety-one thousand, six hundred seventy-eight".