223987346 has 16 divisors (see below), whose sum is σ = 375465888. Its totient is φ = 99328800.

The previous prime is 223987343. The next prime is 223987391. The reversal of 223987346 is 643789322.

223987346 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 223987297 and 223987306.

It is not an unprimeable number, because it can be changed into a prime (223987343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123260 + ... + 125063.

It is an arithmetic number, because the mean of its divisors is an integer number (23466618).

Almost surely, 2^223987346 is an apocalyptic number.

223987346 is a deficient number, since it is larger than the sum of its proper divisors (151478542).

223987346 is a wasteful number, since it uses less digits than its factorization.

223987346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248377.

The product of its digits is 435456, while the sum is 44.

The square root of 223987346 is about 14966.2068006559. The cubic root of 223987346 is about 607.3063581488.

The spelling of 223987346 in words is "two hundred twenty-three million, nine hundred eighty-seven thousand, three hundred forty-six".