406201966 has 8 divisors (see below), whose sum is σ = 609514344. Its totient is φ = 203030520.

The previous prime is 406201921. The next prime is 406201973. The reversal of 406201966 is 669102604.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27705 + ... + 39748.

It is an arithmetic number, because the mean of its divisors is an integer number (76189293).

Almost surely, 2^406201966 is an apocalyptic number.

406201966 is a deficient number, since it is larger than the sum of its proper divisors (203312378).

406201966 is a wasteful number, since it uses less digits than its factorization.

406201966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70466.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 406201966 is about 20154.4527586338. The cubic root of 406201966 is about 740.5948260978.

The spelling of 406201966 in words is "four hundred six million, two hundred one thousand, nine hundred sixty-six".