406747844 has 12 divisors (see below), whose sum is σ = 712195344. Its totient is φ = 203263464.

The previous prime is 406747843. The next prime is 406747849. The reversal of 406747844 is 448747604.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 406747795 and 406747804.

It is not an unprimeable number, because it can be changed into a prime (406747843) 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, 19034 + ... + 34289.

It is an arithmetic number, because the mean of its divisors is an integer number (59349612).

Almost surely, 2^406747844 is an apocalyptic number.

It is an amenable number.

406747844 is a deficient number, since it is larger than the sum of its proper divisors (305447500).

406747844 is a wasteful number, since it uses less digits than its factorization.

406747844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55234 (or 55232 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 44.

The square root of 406747844 is about 20167.9905791331. The cubic root of 406747844 is about 740.9264291717.

The spelling of 406747844 in words is "four hundred six million, seven hundred forty-seven thousand, eight hundred forty-four".