406223700 has 144 divisors (see below), whose sum is σ = 1239670656. Its totient is φ = 102502400.

The previous prime is 406223689. The next prime is 406223711. The reversal of 406223700 is 7322604.

It is an interprime number because it is at equal distance from previous prime (406223689) and next prime (406223711).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 779440 + ... + 779960.

It is an arithmetic number, because the mean of its divisors is an integer number (8608824).

Almost surely, 2^406223700 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 406223700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (619835328).

406223700 is an abundant number, since it is smaller than the sum of its proper divisors (833446956).

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

406223700 is a wasteful number, since it uses less digits than its factorization.

406223700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674 (or 667 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 406223700 is about 20154.9919374829. The cubic root of 406223700 is about 740.6080344705.

The spelling of 406223700 in words is "four hundred six million, two hundred twenty-three thousand, seven hundred".