406033446 has 128 divisors (see below), whose sum is σ = 1035933696. Its totient is φ = 103265280.

The previous prime is 406033429. The next prime is 406033447. The reversal of 406033446 is 644330604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406033447) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2431255 + ... + 2431421.

It is an arithmetic number, because the mean of its divisors is an integer number (8093232).

Almost surely, 2^406033446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 406033446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (517966848).

406033446 is an abundant number, since it is smaller than the sum of its proper divisors (629900250).

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

406033446 is a wasteful number, since it uses less digits than its factorization.

406033446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326.

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

The square root of 406033446 is about 20150.2716110726. The cubic root of 406033446 is about 740.4923956865.

The spelling of 406033446 in words is "four hundred six million, thirty-three thousand, four hundred forty-six".