223798393 has 16 divisors (see below), whose sum is σ = 284333056. Its totient is φ = 171357120.

The previous prime is 223798373. The next prime is 223798409. The reversal of 223798393 is 393897322.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223798393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (223798343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36846 + ... + 42487.

It is an arithmetic number, because the mean of its divisors is an integer number (17770816).

Almost surely, 2^223798393 is an apocalyptic number.

It is an amenable number.

223798393 is a deficient number, since it is larger than the sum of its proper divisors (60534663).

223798393 is a wasteful number, since it uses less digits than its factorization.

223798393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79384.

The product of its digits is 489888, while the sum is 46.

The square root of 223798393 is about 14959.8928137871. The cubic root of 223798393 is about 607.1355380208.

The spelling of 223798393 in words is "two hundred twenty-three million, seven hundred ninety-eight thousand, three hundred ninety-three".