5978691 has 20 divisors (see below), whose sum is σ = 9223104. Its totient is φ = 3855600.

The previous prime is 5978683. The next prime is 5978699. The reversal of 5978691 is 1968795.

5978691 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (5978683) and next prime (5978699).

It is not a de Polignac number, because 5978691 - 2³ = 5978683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5978699) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1321 + ... + 3701.

Almost surely, 2^5978691 is an apocalyptic number.

5978691 is a deficient number, since it is larger than the sum of its proper divisors (3244413).

5978691 is a wasteful number, since it uses less digits than its factorization.

5978691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2424 (or 2415 counting only the distinct ones).

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

The square root of 5978691 is about 2445.1361925259. The cubic root of 5978691 is about 181.4966873243.

The spelling of 5978691 in words is "five million, nine hundred seventy-eight thousand, six hundred ninety-one".