223764738 has 8 divisors (see below), whose sum is σ = 447529488. Its totient is φ = 74588244.

The previous prime is 223764731. The next prime is 223764799. The reversal of 223764738 is 837467322.

It is a sphenic number, since it is the product of 3 distinct primes.

223764738 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 223764738.

It is not an unprimeable number, because it can be changed into a prime (223764731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18647056 + ... + 18647067.

It is an arithmetic number, because the mean of its divisors is an integer number (55941186).

Almost surely, 2^223764738 is an apocalyptic number.

223764738 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

223764738 is a wasteful number, since it uses less digits than its factorization.

223764738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37294128.

The product of its digits is 338688, while the sum is 42.

The square root of 223764738 is about 14958.7679305483. The cubic root of 223764738 is about 607.1051026357.

The spelling of 223764738 in words is "two hundred twenty-three million, seven hundred sixty-four thousand, seven hundred thirty-eight".