5691939 has 16 divisors (see below), whose sum is σ = 8346240. Its totient is φ = 3421760.

The previous prime is 5691929. The next prime is 5691943. The reversal of 5691939 is 9391965.

It is a cyclic number.

It is not a de Polignac number, because 5691939 - 2¹¹ = 5689891 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5691939.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5691919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3892 + ... + 5150.

It is an arithmetic number, because the mean of its divisors is an integer number (521640).

Almost surely, 2^5691939 is an apocalyptic number.

5691939 is a deficient number, since it is larger than the sum of its proper divisors (2654301).

5691939 is a wasteful number, since it uses less digits than its factorization.

5691939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410.

The product of its digits is 65610, while the sum is 42.

The square root of 5691939 is about 2385.7784892986. The cubic root of 5691939 is about 178.5473514814.

The spelling of 5691939 in words is "five million, six hundred ninety-one thousand, nine hundred thirty-nine".