406972198 has 8 divisors (see below), whose sum is σ = 615118680. Its totient is φ = 201932640.

The previous prime is 406972187. The next prime is 406972199. The reversal of 406972198 is 891279604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406972199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 776403 + ... + 776926.

It is an arithmetic number, because the mean of its divisors is an integer number (76889835).

Almost surely, 2^406972198 is an apocalyptic number.

406972198 is a deficient number, since it is larger than the sum of its proper divisors (208146482).

406972198 is a wasteful number, since it uses less digits than its factorization.

406972198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1553462.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 406972198 is about 20173.5519430764. The cubic root of 406972198 is about 741.0626308807.

It can be divided in two parts, 4069 and 72198, that added together give a palindrome (76267).

The spelling of 406972198 in words is "four hundred six million, nine hundred seventy-two thousand, one hundred ninety-eight".