223690416 has 80 divisors (see below), whose sum is σ = 591637728. Its totient is φ = 72806400.

The previous prime is 223690409. The next prime is 223690483. The reversal of 223690416 is 614096322.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 705490 + ... + 705806.

Almost surely, 2^223690416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223690416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295818864).

223690416 is an abundant number, since it is smaller than the sum of its proper divisors (367947312).

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

223690416 is a wasteful number, since it uses less digits than its factorization.

223690416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630 (or 624 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 223690416 is about 14956.2834955747. The cubic root of 223690416 is about 607.0378798577.

The spelling of 223690416 in words is "two hundred twenty-three million, six hundred ninety thousand, four hundred sixteen".