223480686 has 32 divisors (see below), whose sum is σ = 525103488. Its totient is φ = 62511840.

The previous prime is 223480681. The next prime is 223480721. The reversal of 223480686 is 686084322.

223480686 is digitally balanced in base 2, 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 (39).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223480681) 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, 129376 + ... + 131091.

It is an arithmetic number, because the mean of its divisors is an integer number (16409484).

Almost surely, 2^223480686 is an apocalyptic number.

223480686 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

223480686 is an abundant number, since it is smaller than the sum of its proper divisors (301622802).

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

223480686 is a wasteful number, since it uses less digits than its factorization.

223480686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260496.

The product of its (nonzero) digits is 110592, while the sum is 39.

The square root of 223480686 is about 14949.2704169802. The cubic root of 223480686 is about 606.8481028926.

The spelling of 223480686 in words is "two hundred twenty-three million, four hundred eighty thousand, six hundred eighty-six".