406321470 has 48 divisors (see below), whose sum is σ = 1062315072. Its totient is φ = 107749440.

The previous prime is 406321469. The next prime is 406321483. The reversal of 406321470 is 74123604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3819 + ... + 28761.

It is an arithmetic number, because the mean of its divisors is an integer number (22131564).

Almost surely, 2^406321470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 406321470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (531157536).

406321470 is an abundant number, since it is smaller than the sum of its proper divisors (655993602).

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

406321470 is a wasteful number, since it uses less digits than its factorization.

406321470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25137 (or 25134 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 406321470 is about 20157.4172452723. The cubic root of 406321470 is about 740.6674462668.

The spelling of 406321470 in words is "four hundred six million, three hundred twenty-one thousand, four hundred seventy".