5654669 has 4 divisors (see below), whose sum is σ = 5690844. Its totient is φ = 5618496.

The previous prime is 5654657. The next prime is 5654689. The reversal of 5654669 is 9664565.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2280100 + 3374569 = 1510^2 + 1837^2 .

It is a cyclic number.

It is not a de Polignac number, because 5654669 - 2¹² = 5650573 is a prime.

It is a super-2 number, since 2×5654669² = 63950562999122, 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 (5654689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17852 + ... + 18165.

It is an arithmetic number, because the mean of its divisors is an integer number (1422711).

Almost surely, 2^5654669 is an apocalyptic number.

It is an amenable number.

5654669 is a deficient number, since it is larger than the sum of its proper divisors (36175).

5654669 is a wasteful number, since it uses less digits than its factorization.

5654669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36174.

The product of its digits is 194400, while the sum is 41.

The square root of 5654669 is about 2377.9547935148. The cubic root of 5654669 is about 178.1567969911.

The spelling of 5654669 in words is "five million, six hundred fifty-four thousand, six hundred sixty-nine".