5664194 has 4 divisors (see below), whose sum is σ = 8496294. Its totient is φ = 2832096.

The previous prime is 5664173. The next prime is 5664199. The reversal of 5664194 is 4914665.

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

It can be written as a sum of positive squares in only one way, i.e., 3940225 + 1723969 = 1985^2 + 1313^2 .

It is not an unprimeable number, because it can be changed into a prime (5664199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1416047 + ... + 1416050.

Almost surely, 2^5664194 is an apocalyptic number.

5664194 is a deficient number, since it is larger than the sum of its proper divisors (2832100).

5664194 is a wasteful number, since it uses less digits than its factorization.

5664194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2832099.

The product of its digits is 25920, while the sum is 35.

The square root of 5664194 is about 2379.9567222956. The cubic root of 5664194 is about 178.2567728740.

The spelling of 5664194 in words is "five million, six hundred sixty-four thousand, one hundred ninety-four".