223949860 has 12 divisors (see below), whose sum is σ = 470294748. Its totient is φ = 89579936.

The previous prime is 223949851. The next prime is 223949879. The reversal of 223949860 is 68949322.

It can be written as a sum of positive squares in 2 ways, for example, as 33454656 + 190495204 = 5784^2 + 13802^2 .

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, 5598727 + ... + 5598766.

It is an arithmetic number, because the mean of its divisors is an integer number (39191229).

Almost surely, 2^223949860 is an apocalyptic number.

223949860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223949860 is an abundant number, since it is smaller than the sum of its proper divisors (246344888).

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

223949860 is a wasteful number, since it uses less digits than its factorization.

223949860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11197502 (or 11197500 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 223949860 is about 14964.9543935155. The cubic root of 223949860 is about 607.2724771333.

The spelling of 223949860 in words is "two hundred twenty-three million, nine hundred forty-nine thousand, eight hundred sixty".