5699991 has 16 divisors (see below), whose sum is σ = 8449920. Its totient is φ = 3388320.

The previous prime is 5699989. The next prime is 5700007. The reversal of 5699991 is 1999965.

It is a happy number.

5699991 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5699991 - 2¹ = 5699989 is a prime.

5699991 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 5699991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5699971) 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, 120 + ... + 3378.

It is an arithmetic number, because the mean of its divisors is an integer number (528120).

Almost surely, 2^5699991 is an apocalyptic number.

5699991 is a deficient number, since it is larger than the sum of its proper divisors (2749929).

5699991 is a wasteful number, since it uses less digits than its factorization.

5699991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3326.

The product of its digits is 196830, while the sum is 48.

The square root of 5699991 is about 2387.4653924193. The cubic root of 5699991 is about 178.6315047541.

It can be divided in two parts, 5 and 699991, that added together give a palindrome (699996).

The spelling of 5699991 in words is "five million, six hundred ninety-nine thousand, nine hundred ninety-one".