5590397 has 4 divisors (see below), whose sum is σ = 5595996. Its totient is φ = 5584800.

The previous prime is 5590381. The next prime is 5590421. The reversal of 5590397 is 7930955.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7930955 = 5 ⋅1586191.

It can be written as a sum of positive squares in 2 ways, for example, as 972196 + 4618201 = 986^2 + 2149^2 .

It is a cyclic number.

It is not a de Polignac number, because 5590397 - 2⁴ = 5590381 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5590397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5590307) 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, 848 + ... + 3449.

It is an arithmetic number, because the mean of its divisors is an integer number (1398999).

Almost surely, 2^5590397 is an apocalyptic number.

It is an amenable number.

5590397 is a deficient number, since it is larger than the sum of its proper divisors (5599).

5590397 is a wasteful number, since it uses less digits than its factorization.

5590397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5598.

The product of its (nonzero) digits is 42525, while the sum is 38.

The square root of 5590397 is about 2364.4020385713. The cubic root of 5590397 is about 177.4792358175.

The spelling of 5590397 in words is "five million, five hundred ninety thousand, three hundred ninety-seven".