406272986 has 16 divisors (see below), whose sum is σ = 697230720. Its totient is φ = 173926320.

The previous prime is 406272983. The next prime is 406273003. The reversal of 406272986 is 689272604.

It is a zygodrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (406272983) 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 7 ways as a sum of consecutive naturals, for example, 2246 + ... + 28593.

It is an arithmetic number, because the mean of its divisors is an integer number (43576920).

Almost surely, 2^406272986 is an apocalyptic number.

406272986 is a deficient number, since it is larger than the sum of its proper divisors (290957734).

406272986 is a wasteful number, since it uses less digits than its factorization.

406272986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31789.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 406272986 is about 20156.2145751627. The cubic root of 406272986 is about 740.6379852352.

The spelling of 406272986 in words is "four hundred six million, two hundred seventy-two thousand, nine hundred eighty-six".