406851716 has 12 divisors (see below), whose sum is σ = 713095488. Its totient is φ = 203110152.

The previous prime is 406851713. The next prime is 406851727. The reversal of 406851716 is 617158604.

It is a self number, because there is not a number n which added to its sum of digits gives 406851716.

It is not an unprimeable number, because it can be changed into a prime (406851713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76016 + ... + 81191.

It is an arithmetic number, because the mean of its divisors is an integer number (59424624).

Almost surely, 2^406851716 is an apocalyptic number.

It is an amenable number.

406851716 is a deficient number, since it is larger than the sum of its proper divisors (306243772).

406851716 is a wasteful number, since it uses less digits than its factorization.

406851716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157858 (or 157856 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 406851716 is about 20170.5655845343. The cubic root of 406851716 is about 740.9894944186.

The spelling of 406851716 in words is "four hundred six million, eight hundred fifty-one thousand, seven hundred sixteen".