223764380 has 36 divisors (see below), whose sum is σ = 546626808. Its totient is φ = 76718880.

The previous prime is 223764379. The next prime is 223764391. The reversal of 223764380 is 83467322.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 223764380.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113186 + ... + 115145.

It is an arithmetic number, because the mean of its divisors is an integer number (15184078).

Almost surely, 2^223764380 is an apocalyptic number.

223764380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223764380 is an abundant number, since it is smaller than the sum of its proper divisors (322862428).

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

223764380 is a wasteful number, since it uses less digits than its factorization.

223764380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228354 (or 228345 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 223764380 is about 14958.7559643174. The cubic root of 223764380 is about 607.1047788674.

The spelling of 223764380 in words is "two hundred twenty-three million, seven hundred sixty-four thousand, three hundred eighty".