406803272 has 32 divisors (see below), whose sum is σ = 770127480. Its totient is φ = 201446400.

The previous prime is 406803269. The next prime is 406803317. The reversal of 406803272 is 272308604.

It can be written as a sum of positive squares in 4 ways, for example, as 310252996 + 96550276 = 17614^2 + 9826^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 554618 + ... + 555350.

Almost surely, 2^406803272 is an apocalyptic number.

It is an amenable number.

406803272 is a deficient number, since it is larger than the sum of its proper divisors (363324208).

406803272 is a wasteful number, since it uses less digits than its factorization.

406803272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313 (or 1309 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 406803272 is about 20169.3646900442. The cubic root of 406803272 is about 740.9600832774.

The spelling of 406803272 in words is "four hundred six million, eight hundred three thousand, two hundred seventy-two".