223634460 has 96 divisors (see below), whose sum is σ = 730920960. Its totient is φ = 50024448.

The previous prime is 223634447. The next prime is 223634471. The reversal of 223634460 is 64436322.

It is a happy number.

223634460 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14076 + ... + 25404.

It is an arithmetic number, because the mean of its divisors is an integer number (7613760).

Almost surely, 2^223634460 is an apocalyptic number.

223634460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223634460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (365460480).

223634460 is an abundant number, since it is smaller than the sum of its proper divisors (507286500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223634460 is a wasteful number, since it uses less digits than its factorization.

223634460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11395 (or 11393 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

The square root of 223634460 is about 14954.4127266837. The cubic root of 223634460 is about 606.9872589371.

The spelling of 223634460 in words is "two hundred twenty-three million, six hundred thirty-four thousand, four hundred sixty".