223896440 has 16 divisors (see below), whose sum is σ = 503767080. Its totient is φ = 89558560.

The previous prime is 223896419. The next prime is 223896451. The reversal of 223896440 is 44698322.

It is a happy number.

223896440 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 223896394 and 223896403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2798666 + ... + 2798745.

Almost surely, 2^223896440 is an apocalyptic number.

223896440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223896440 is an abundant number, since it is smaller than the sum of its proper divisors (279870640).

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

223896440 is a wasteful number, since it uses less digits than its factorization.

223896440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5597422 (or 5597418 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 223896440 is about 14963.1694503538. The cubic root of 223896440 is about 607.2241879381.

The spelling of 223896440 in words is "two hundred twenty-three million, eight hundred ninety-six thousand, four hundred forty".