5623819 has 4 divisors (see below), whose sum is σ = 5635096. Its totient is φ = 5612544.

The previous prime is 5623811. The next prime is 5623823. The reversal of 5623819 is 9183265.

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 5623819 - 2³ = 5623811 is a prime.

It is a super-2 number, since 2×5623819² = 63254680289522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5623811) 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, 4854 + ... + 5899.

It is an arithmetic number, because the mean of its divisors is an integer number (1408774).

Almost surely, 2^5623819 is an apocalyptic number.

5623819 is a deficient number, since it is larger than the sum of its proper divisors (11277).

5623819 is a wasteful number, since it uses less digits than its factorization.

5623819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11276.

The product of its digits is 12960, while the sum is 34.

The square root of 5623819 is about 2371.4592553953. The cubic root of 5623819 is about 177.8322178615.

The spelling of 5623819 in words is "five million, six hundred twenty-three thousand, eight hundred nineteen".