5669647 has 6 divisors (see below), whose sum is σ = 5745752. Its totient is φ = 5594532.

The previous prime is 5669639. The next prime is 5669659. The reversal of 5669647 is 7469665.

It is not a de Polignac number, because 5669647 - 2³ = 5669639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5669617) 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 5 ways as a sum of consecutive naturals, for example, 6478 + ... + 7300.

Almost surely, 2^5669647 is an apocalyptic number.

5669647 is a deficient number, since it is larger than the sum of its proper divisors (76105).

5669647 is an frugal number, since it uses more digits than its factorization.

5669647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989 (or 906 counting only the distinct ones).

The product of its digits is 272160, while the sum is 43.

The square root of 5669647 is about 2381.1020557717. The cubic root of 5669647 is about 178.3139579691.

The spelling of 5669647 in words is "five million, six hundred sixty-nine thousand, six hundred forty-seven".