406494244 has 12 divisors (see below), whose sum is σ = 766085404. Its totient is φ = 187612704.

The previous prime is 406494233. The next prime is 406494271. The reversal of 406494244 is 442494604.

It can be written as a sum of positive squares in 2 ways, for example, as 56430144 + 350064100 = 7512^2 + 18710^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3908547 + ... + 3908650.

Almost surely, 2^406494244 is an apocalyptic number.

It is an amenable number.

406494244 is a deficient number, since it is larger than the sum of its proper divisors (359591160).

406494244 is a wasteful number, since it uses less digits than its factorization.

406494244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7817214 (or 7817212 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 37.

The square root of 406494244 is about 20161.7024082789. The cubic root of 406494244 is about 740.7724123696.

The spelling of 406494244 in words is "four hundred six million, four hundred ninety-four thousand, two hundred forty-four".