406303716 has 72 divisors (see below), whose sum is σ = 1173273024. Its totient is φ = 107153280.

The previous prime is 406303699. The next prime is 406303739. The reversal of 406303716 is 617303604.

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, 115 + ... + 28506.

Almost surely, 2^406303716 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 406303716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (586636512).

406303716 is an abundant number, since it is smaller than the sum of its proper divisors (766969308).

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

406303716 is a wasteful number, since it uses less digits than its factorization.

406303716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28661 (or 28646 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 406303716 is about 20156.9768566618. The cubic root of 406303716 is about 740.6566584199.

The spelling of 406303716 in words is "four hundred six million, three hundred three thousand, seven hundred sixteen".