5616989 has 16 divisors (see below), whose sum is σ = 6825600. Its totient is φ = 4515264.

The previous prime is 5616967. The next prime is 5616997. The reversal of 5616989 is 9896165.

It is a cyclic number.

It is not a de Polignac number, because 5616989 - 2⁸ = 5616733 is a prime.

It is a super-2 number, since 2×5616989² = 63101130852242, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5616389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20747 + ... + 21015.

It is an arithmetic number, because the mean of its divisors is an integer number (426600).

Almost surely, 2^5616989 is an apocalyptic number.

It is an amenable number.

5616989 is a deficient number, since it is larger than the sum of its proper divisors (1208611).

5616989 is a wasteful number, since it uses less digits than its factorization.

5616989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452.

The product of its digits is 116640, while the sum is 44.

The square root of 5616989 is about 2370.0187762969. The cubic root of 5616989 is about 177.7601976395.

The spelling of 5616989 in words is "five million, six hundred sixteen thousand, nine hundred eighty-nine".