223989398 has 4 divisors (see below), whose sum is σ = 335984100. Its totient is φ = 111994698.

The previous prime is 223989397. The next prime is 223989449. The reversal of 223989398 is 893989322.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223989397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55997348 + ... + 55997351.

It is an arithmetic number, because the mean of its divisors is an integer number (83996025).

Almost surely, 2^223989398 is an apocalyptic number.

223989398 is a deficient number, since it is larger than the sum of its proper divisors (111994702).

223989398 is a wasteful number, since it uses less digits than its factorization.

223989398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111994701.

The product of its digits is 1679616, while the sum is 53.

The square root of 223989398 is about 14966.2753549439. The cubic root of 223989398 is about 607.3082127013.

The spelling of 223989398 in words is "two hundred twenty-three million, nine hundred eighty-nine thousand, three hundred ninety-eight".