223649798 has 16 divisors (see below), whose sum is σ = 365310000. Its totient is φ = 102285792.

The previous prime is 223649761. The next prime is 223649801. The reversal of 223649798 is 897946322.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100373 + ... + 102576.

It is an arithmetic number, because the mean of its divisors is an integer number (22831875).

Almost surely, 2^223649798 is an apocalyptic number.

223649798 is a deficient number, since it is larger than the sum of its proper divisors (141660202).

223649798 is a wasteful number, since it uses less digits than its factorization.

223649798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202999.

The product of its digits is 1306368, while the sum is 50.

The square root of 223649798 is about 14954.9255431112. The cubic root of 223649798 is about 607.0011353879.

The spelling of 223649798 in words is "two hundred twenty-three million, six hundred forty-nine thousand, seven hundred ninety-eight".