223916 has 24 divisors (see below), whose sum is σ = 489216. Its totient is φ = 87120.

The previous prime is 223903. The next prime is 223919. The reversal of 223916 is 619322.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 223891 and 223900.

It is not an unprimeable number, because it can be changed into a prime (223919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56 + ... + 671.

It is an arithmetic number, because the mean of its divisors is an integer number (20384).

2²²³⁹¹⁶ is an apocalyptic number.

It is an amenable number.

223916 is an abundant number, since it is smaller than the sum of its proper divisors (265300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223916 is a wasteful number, since it uses less digits than its factorization.

223916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749 (or 747 counting only the distinct ones).

The product of its digits is 648, while the sum is 23.

The square root of 223916 is about 473.1976331302. The cubic root of 223916 is about 60.7241870160.

The spelling of 223916 in words is "two hundred twenty-three thousand, nine hundred sixteen".