223949589 has 4 divisors (see below), whose sum is σ = 298599456. Its totient is φ = 149299724.

The previous prime is 223949587. The next prime is 223949591. The reversal of 223949589 is 985949322.

It is a happy number.

223949589 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (223949587) and next prime (223949591).

It is a cyclic number.

It is not a de Polignac number, because 223949589 - 2¹ = 223949587 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223949587) 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, 37324929 + ... + 37324934.

It is an arithmetic number, because the mean of its divisors is an integer number (74649864).

Almost surely, 2^223949589 is an apocalyptic number.

It is an amenable number.

223949589 is a deficient number, since it is larger than the sum of its proper divisors (74649867).

223949589 is an equidigital number, since it uses as much as digits as its factorization.

223949589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74649866.

The product of its digits is 1399680, while the sum is 51.

The square root of 223949589 is about 14964.9453390248. The cubic root of 223949589 is about 607.2722321813.

The spelling of 223949589 in words is "two hundred twenty-three million, nine hundred forty-nine thousand, five hundred eighty-nine".