5669491 has 4 divisors (see below), whose sum is σ = 5691312. Its totient is φ = 5647672.

The previous prime is 5669479. The next prime is 5669501. The reversal of 5669491 is 1949665.

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

It is a cyclic number.

It is not a de Polignac number, because 5669491 - 2²¹ = 3572339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5669441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10516 + ... + 11041.

It is an arithmetic number, because the mean of its divisors is an integer number (1422828).

Almost surely, 2^5669491 is an apocalyptic number.

5669491 is a deficient number, since it is larger than the sum of its proper divisors (21821).

5669491 is a wasteful number, since it uses less digits than its factorization.

5669491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21820.

The product of its digits is 58320, while the sum is 40.

The square root of 5669491 is about 2381.0692976056. The cubic root of 5669491 is about 178.3123225215.

The spelling of 5669491 in words is "five million, six hundred sixty-nine thousand, four hundred ninety-one".