401172611 has 8 divisors (see below), whose sum is σ = 470874720. Its totient is φ = 334568448.

The previous prime is 401172491. The next prime is 401172623. The reversal of 401172611 is 116271104.

It is a happy number.

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 401172611 - 2¹⁴ = 401156227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401172691) 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, 774206 + ... + 774723.

It is an arithmetic number, because the mean of its divisors is an integer number (58859340).

Almost surely, 2^401172611 is an apocalyptic number.

401172611 is a deficient number, since it is larger than the sum of its proper divisors (69702109).

401172611 is a wasteful number, since it uses less digits than its factorization.

401172611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548973.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 401172611 is about 20029.2938218001. The cubic root of 401172611 is about 737.5255866255.

The spelling of 401172611 in words is "four hundred one million, one hundred seventy-two thousand, six hundred eleven".