223964539 has 8 divisors (see below), whose sum is σ = 227066112. Its totient is φ = 220881000.

The previous prime is 223964537. The next prime is 223964563. The reversal of 223964539 is 935469322.

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

It is a cyclic number.

It is not a de Polignac number, because 223964539 - 2¹ = 223964537 is a prime.

It is a super-2 number, since 2×223964539² = 100320229458965042, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223964495 and 223964504.

It is not an unprimeable number, because it can be changed into a prime (223964537) 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, 21522 + ... + 30184.

It is an arithmetic number, because the mean of its divisors is an integer number (28383264).

Almost surely, 2^223964539 is an apocalyptic number.

223964539 is a deficient number, since it is larger than the sum of its proper divisors (3101573).

223964539 is a wasteful number, since it uses less digits than its factorization.

223964539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9017.

The product of its digits is 349920, while the sum is 43.

The square root of 223964539 is about 14965.4448313440. Note that the first 3 decimals coincide. The cubic root of 223964539 is about 607.2857449215.

The spelling of 223964539 in words is "two hundred twenty-three million, nine hundred sixty-four thousand, five hundred thirty-nine".