406112197 has 8 divisors (see below), whose sum is σ = 414116352. Its totient is φ = 398151600.

The previous prime is 406112191. The next prime is 406112207. The reversal of 406112197 is 791211604.

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

It is a cyclic number.

It is not a de Polignac number, because 406112197 - 2¹⁹ = 405587909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406112191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8268 + ... + 29674.

It is an arithmetic number, because the mean of its divisors is an integer number (51764544).

Almost surely, 2^406112197 is an apocalyptic number.

It is an amenable number.

406112197 is a deficient number, since it is larger than the sum of its proper divisors (8004155).

406112197 is a wasteful number, since it uses less digits than its factorization.

406112197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21779.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 406112197 is about 20152.2256090984. The cubic root of 406112197 is about 740.5402659195.

The spelling of 406112197 in words is "four hundred six million, one hundred twelve thousand, one hundred ninety-seven".