5666969 has 8 divisors (see below), whose sum is σ = 7065408. Its totient is φ = 4415760.

The previous prime is 5666963. The next prime is 5666971. The reversal of 5666969 is 9696665.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5666969 - 2⁴ = 5666953 is a prime.

It is a super-2 number, since 2×5666969² = 64229075293922, which contains 22 as substring.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (5666963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36722 + ... + 36875.

It is an arithmetic number, because the mean of its divisors is an integer number (883176).

Almost surely, 2^5666969 is an apocalyptic number.

It is an amenable number.

5666969 is a deficient number, since it is larger than the sum of its proper divisors (1398439).

5666969 is a wasteful number, since it uses less digits than its factorization.

5666969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73615.

The product of its digits is 524880, while the sum is 47.

The square root of 5666969 is about 2380.5396447024. The cubic root of 5666969 is about 178.2858786205.

The spelling of 5666969 in words is "five million, six hundred sixty-six thousand, nine hundred sixty-nine".