406773172 has 12 divisors (see below), whose sum is σ = 766611076. Its totient is φ = 187741440.

The previous prime is 406773121. The next prime is 406773173. The reversal of 406773172 is 271377604.

It can be written as a sum of positive squares in 2 ways, for example, as 101082916 + 305690256 = 10054^2 + 17484^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406773173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3911229 + ... + 3911332.

Almost surely, 2^406773172 is an apocalyptic number.

It is an amenable number.

406773172 is a deficient number, since it is larger than the sum of its proper divisors (359837904).

406773172 is a wasteful number, since it uses less digits than its factorization.

406773172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7822578 (or 7822576 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 37.

The square root of 406773172 is about 20168.6184950779. The cubic root of 406773172 is about 740.9418079011.

The spelling of 406773172 in words is "four hundred six million, seven hundred seventy-three thousand, one hundred seventy-two".