401717 has 4 divisors (see below), whose sum is σ = 422880. Its totient is φ = 380556.

The previous prime is 401711. The next prime is 401743. The reversal of 401717 is 717104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 401717 - 2¹⁶ = 336181 is a prime.

It is a super-2 number, since 2×401717² = 322753096178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 401717.

It is not an unprimeable number, because it can be changed into a prime (401711) 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, 10553 + ... + 10590.

It is an arithmetic number, because the mean of its divisors is an integer number (105720).

2⁴⁰¹⁷¹⁷ is an apocalyptic number.

It is an amenable number.

401717 is a deficient number, since it is larger than the sum of its proper divisors (21163).

401717 is a wasteful number, since it uses less digits than its factorization.

401717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21162.

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 401717 is about 633.8114861692. The cubic root of 401717 is about 73.7859041877.

The spelling of 401717 in words is "four hundred one thousand, seven hundred seventeen", and thus it is an iban number.