5647869 has 6 divisors (see below), whose sum is σ = 8158046. Its totient is φ = 3765240.

The previous prime is 5647861. The next prime is 5647897. The reversal of 5647869 is 9687465.

5647869 is a `hidden beast` number, since 564 + 7 + 86 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4782969 + 864900 = 2187^2 + 930^2 .

It is not a de Polignac number, because 5647869 - 2³ = 5647861 is a prime.

It is a super-2 number, since 2×5647869² = 63796848482322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5647861) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 313762 + ... + 313779.

Almost surely, 2^5647869 is an apocalyptic number.

It is an amenable number.

5647869 is a deficient number, since it is larger than the sum of its proper divisors (2510177).

5647869 is a wasteful number, since it uses less digits than its factorization.

5647869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627547 (or 627544 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 5647869 is about 2376.5245633067. The cubic root of 5647869 is about 178.0853544269.

The spelling of 5647869 in words is "five million, six hundred forty-seven thousand, eight hundred sixty-nine".