5613989 has 4 divisors (see below), whose sum is σ = 5642400. Its totient is φ = 5585580.

The previous prime is 5613967. The next prime is 5613991. The reversal of 5613989 is 9893165.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5613989 - 2¹⁶ = 5548453 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 (5613929) 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, 13907 + ... + 14304.

It is an arithmetic number, because the mean of its divisors is an integer number (1410600).

Almost surely, 2^5613989 is an apocalyptic number.

It is an amenable number.

5613989 is a deficient number, since it is larger than the sum of its proper divisors (28411).

5613989 is a wasteful number, since it uses less digits than its factorization.

5613989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28410.

The product of its digits is 58320, while the sum is 41.

The square root of 5613989 is about 2369.3857853883. The cubic root of 5613989 is about 177.7285451200.

The spelling of 5613989 in words is "five million, six hundred thirteen thousand, nine hundred eighty-nine".