406790198 has 8 divisors (see below), whose sum is σ = 610417080. Its totient is φ = 203317840.

The previous prime is 406790183. The next prime is 406790203. The reversal of 406790198 is 891097604.

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

It is a congruent number.

It is an unprimeable number.

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, 31808 + ... + 42723.

It is an arithmetic number, because the mean of its divisors is an integer number (76302135).

Almost surely, 2^406790198 is an apocalyptic number.

406790198 is a deficient number, since it is larger than the sum of its proper divisors (203626882).

406790198 is a wasteful number, since it uses less digits than its factorization.

406790198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77262.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 406790198 is about 20169.0405820406. The cubic root of 406790198 is about 740.9521454390.

The spelling of 406790198 in words is "four hundred six million, seven hundred ninety thousand, one hundred ninety-eight".