5590639 has 4 divisors (see below), whose sum is σ = 5598256. Its totient is φ = 5583024.

The previous prime is 5590619. The next prime is 5590657. The reversal of 5590639 is 9360955.

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

It is a cyclic number.

It is not a de Polignac number, because 5590639 - 2¹⁹ = 5066351 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5590598 and 5590607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5590619) 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, 2574 + ... + 4219.

It is an arithmetic number, because the mean of its divisors is an integer number (1399564).

Almost surely, 2^5590639 is an apocalyptic number.

5590639 is a deficient number, since it is larger than the sum of its proper divisors (7617).

5590639 is an equidigital number, since it uses as much as digits as its factorization.

5590639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7616.

The product of its (nonzero) digits is 36450, while the sum is 37.

The square root of 5590639 is about 2364.4532137473. The cubic root of 5590639 is about 177.4817967182.

It can be divided in two parts, 55906 and 39, that added together give a triangular number (55945 = T₃₃₄).

The spelling of 5590639 in words is "five million, five hundred ninety thousand, six hundred thirty-nine".