5639697 has 12 divisors (see below), whose sum is σ = 9310080. Its totient is φ = 3222648.

The previous prime is 5639693. The next prime is 5639707. The reversal of 5639697 is 7969365.

5639697 is a `hidden beast` number, since 5 + 639 + 6 + 9 + 7 = 666.

It is not a de Polignac number, because 5639697 - 2² = 5639693 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (5639693) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44697 + ... + 44822.

It is an arithmetic number, because the mean of its divisors is an integer number (775840).

Almost surely, 2^5639697 is an apocalyptic number.

It is an amenable number.

5639697 is a deficient number, since it is larger than the sum of its proper divisors (3670383).

5639697 is a wasteful number, since it uses less digits than its factorization.

5639697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89532 (or 89529 counting only the distinct ones).

The product of its digits is 306180, while the sum is 45.

The square root of 5639697 is about 2374.8046235427. The cubic root of 5639697 is about 177.9994213675. Note that the first 3 decimals are identical.

It can be divided in two parts, 5639 and 697, that added together give a palindrome (6336).

The spelling of 5639697 in words is "five million, six hundred thirty-nine thousand, six hundred ninety-seven".