401217 has 8 divisors (see below), whose sum is σ = 566496. Its totient is φ = 251712.

The previous prime is 401209. The next prime is 401231. The reversal of 401217 is 712104.

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

It is not a de Polignac number, because 401217 - 2³ = 401209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 401196 and 401205.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 401217.

It is not an unprimeable number, because it can be changed into a prime (401237) 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, 3883 + ... + 3984.

It is an arithmetic number, because the mean of its divisors is an integer number (70812).

2⁴⁰¹²¹⁷ is an apocalyptic number.

It is an amenable number.

401217 is a deficient number, since it is larger than the sum of its proper divisors (165279).

401217 is a wasteful number, since it uses less digits than its factorization.

401217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7887.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 401217 is about 633.4169243082. The cubic root of 401217 is about 73.7552787565.

The spelling of 401217 in words is "four hundred one thousand, two hundred seventeen", and thus it is an iban number.