406870223 has 8 divisors (see below), whose sum is σ = 409831248. Its totient is φ = 403916544.

The previous prime is 406870213. The next prime is 406870229. The reversal of 406870223 is 322078604.

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 406870223 - 2¹² = 406866127 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 406870223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406870229) 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, 155615 + ... + 158207.

It is an arithmetic number, because the mean of its divisors is an integer number (51228906).

Almost surely, 2^406870223 is an apocalyptic number.

406870223 is a deficient number, since it is larger than the sum of its proper divisors (2961025).

406870223 is a wasteful number, since it uses less digits than its factorization.

406870223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3673.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 406870223 is about 20171.0243418623. The cubic root of 406870223 is about 741.0007297034. Note that the first 3 decimals are identical.

The spelling of 406870223 in words is "four hundred six million, eight hundred seventy thousand, two hundred twenty-three".