223487 has 6 divisors (see below), whose sum is σ = 245784. Its totient is φ = 203060.

The previous prime is 223481. The next prime is 223493. The reversal of 223487 is 784322.

It is an interprime number because it is at equal distance from previous prime (223481) and next prime (223493).

It is not a de Polignac number, because 223487 - 2⁶ = 223423 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 803 + ... + 1044.

It is an arithmetic number, because the mean of its divisors is an integer number (40964).

2²²³⁴⁸⁷ is an apocalyptic number.

223487 is a deficient number, since it is larger than the sum of its proper divisors (22297).

223487 is a wasteful number, since it uses less digits than its factorization.

223487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1869 (or 1858 counting only the distinct ones).

The product of its digits is 2688, while the sum is 26.

The square root of 223487 is about 472.7441168328. The cubic root of 223487 is about 60.6853817932.

The spelling of 223487 in words is "two hundred twenty-three thousand, four hundred eighty-seven".