5665694 has 4 divisors (see below), whose sum is σ = 8498544. Its totient is φ = 2832846.

The previous prime is 5665691. The next prime is 5665703. The reversal of 5665694 is 4965665.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5665691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1416422 + ... + 1416425.

It is an arithmetic number, because the mean of its divisors is an integer number (2124636).

Almost surely, 2^5665694 is an apocalyptic number.

5665694 is a deficient number, since it is larger than the sum of its proper divisors (2832850).

5665694 is a wasteful number, since it uses less digits than its factorization.

5665694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2832849.

The product of its digits is 194400, while the sum is 41.

The square root of 5665694 is about 2380.2718332157. The cubic root of 5665694 is about 178.2725068901.

The spelling of 5665694 in words is "five million, six hundred sixty-five thousand, six hundred ninety-four".