5599969 has 4 divisors (see below), whose sum is σ = 5662980. Its totient is φ = 5536960.

The previous prime is 5599967. The next prime is 5599973. The reversal of 5599969 is 9699955.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2140369 + 3459600 = 1463^2 + 1860^2 .

It is a cyclic number.

It is not a de Polignac number, because 5599969 - 2¹ = 5599967 is a prime.

It is a super-2 number, since 2×5599969² = 62719305601922, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5599961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31372 + ... + 31549.

It is an arithmetic number, because the mean of its divisors is an integer number (1415745).

Almost surely, 2^5599969 is an apocalyptic number.

It is an amenable number.

5599969 is a deficient number, since it is larger than the sum of its proper divisors (63011).

5599969 is an equidigital number, since it uses as much as digits as its factorization.

5599969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63010.

The product of its digits is 984150, while the sum is 52.

The square root of 5599969 is about 2366.4253632853. The cubic root of 5599969 is about 177.5804726691.

The spelling of 5599969 in words is "five million, five hundred ninety-nine thousand, nine hundred sixty-nine".