5917986 has 12 divisors (see below), whose sum is σ = 12822342. Its totient is φ = 1972656.

The previous prime is 5917963. The next prime is 5918009. The reversal of 5917986 is 6897195.

It is an interprime number because it is at equal distance from previous prime (5917963) and next prime (5918009).

It can be written as a sum of positive squares in only one way, i.e., 5377761 + 540225 = 2319^2 + 735^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 164371 + ... + 164406.

Almost surely, 2^5917986 is an apocalyptic number.

5917986 is an abundant number, since it is smaller than the sum of its proper divisors (6904356).

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

5917986 is a wasteful number, since it uses less digits than its factorization.

5917986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328785 (or 328782 counting only the distinct ones).

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

The square root of 5917986 is about 2432.6911024625. The cubic root of 5917986 is about 180.8803172859.

It can be divided in two parts, 5917 and 986, that added together give a triangular number (6903 = T₁₁₇).

The spelling of 5917986 in words is "five million, nine hundred seventeen thousand, nine hundred eighty-six".