5667986 has 4 divisors (see below), whose sum is σ = 8501982. Its totient is φ = 2833992.

The previous prime is 5667983. The next prime is 5667989. The reversal of 5667986 is 6897665.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (5667983) and next prime (5667989).

It can be written as a sum of positive squares in only one way, i.e., 4182025 + 1485961 = 2045^2 + 1219^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5667986.

It is not an unprimeable number, because it can be changed into a prime (5667983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1416995 + ... + 1416998.

Almost surely, 2^5667986 is an apocalyptic number.

5667986 is a deficient number, since it is larger than the sum of its proper divisors (2833996).

5667986 is a wasteful number, since it uses less digits than its factorization.

5667986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2833995.

The product of its digits is 544320, while the sum is 47.

The square root of 5667986 is about 2380.7532421484. The cubic root of 5667986 is about 178.2965431041.

It can be divided in two parts, 56679 and 86, that added together give a palindrome (56765).

The spelling of 5667986 in words is "five million, six hundred sixty-seven thousand, nine hundred eighty-six".