5617994 has 4 divisors (see below), whose sum is σ = 8426994. Its totient is φ = 2808996.

The previous prime is 5617987. The next prime is 5617999. The reversal of 5617994 is 4997165.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4997165 = 5 ⋅999433.

It can be written as a sum of positive squares in only one way, i.e., 5583769 + 34225 = 2363^2 + 185^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5617999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1404497 + ... + 1404500.

Almost surely, 2^5617994 is an apocalyptic number.

5617994 is a deficient number, since it is larger than the sum of its proper divisors (2809000).

5617994 is a wasteful number, since it uses less digits than its factorization.

5617994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2808999.

The product of its digits is 68040, while the sum is 41.

The square root of 5617994 is about 2370.2307904506. The cubic root of 5617994 is about 177.7707987133.

The spelling of 5617994 in words is "five million, six hundred seventeen thousand, nine hundred ninety-four".