5616994 has 4 divisors (see below), whose sum is σ = 8425494. Its totient is φ = 2808496.

The previous prime is 5616967. The next prime is 5616997. The reversal of 5616994 is 4996165.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4996165 = 5 ⋅999233.

It can be written as a sum of positive squares in only one way, i.e., 3470769 + 2146225 = 1863^2 + 1465^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (5616997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1404247 + ... + 1404250.

Almost surely, 2^5616994 is an apocalyptic number.

5616994 is a deficient number, since it is larger than the sum of its proper divisors (2808500).

5616994 is a wasteful number, since it uses less digits than its factorization.

5616994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2808499.

The product of its digits is 58320, while the sum is 40.

The square root of 5616994 is about 2370.0198311407. The cubic root of 5616994 is about 177.7602503843.

The spelling of 5616994 in words is "five million, six hundred sixteen thousand, nine hundred ninety-four".