401186806 has 8 divisors (see below), whose sum is σ = 609397920. Its totient is φ = 198054168.

The previous prime is 401186803. The next prime is 401186809. The reversal of 401186806 is 608681104.

It is an interprime number because it is at equal distance from previous prime (401186803) and next prime (401186809).

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 (401186801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1269421 + ... + 1269736.

It is an arithmetic number, because the mean of its divisors is an integer number (76174740).

Almost surely, 2^401186806 is an apocalyptic number.

401186806 is a deficient number, since it is larger than the sum of its proper divisors (208211114).

401186806 is a wasteful number, since it uses less digits than its factorization.

401186806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2539238.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 401186806 is about 20029.6481746435. The cubic root of 401186806 is about 737.5342853351.

The spelling of 401186806 in words is "four hundred one million, one hundred eighty-six thousand, eight hundred six".