401715 has 24 divisors (see below), whose sum is σ = 711360. Its totient is φ = 209664.

The previous prime is 401711. The next prime is 401743. The reversal of 401715 is 517104.

It is not a de Polignac number, because 401715 - 2² = 401711 is a prime.

It is a super-2 number, since 2×401715² = 322749882450, which contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 3499 + ... + 3611.

It is an arithmetic number, because the mean of its divisors is an integer number (29640).

2⁴⁰¹⁷¹⁵ is an apocalyptic number.

401715 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

401715 is a deficient number, since it is larger than the sum of its proper divisors (309645).

401715 is a wasteful number, since it uses less digits than its factorization.

401715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 401715 is about 633.8099084110. The cubic root of 401715 is about 73.7857817366.

Adding to 401715 its reverse (517104), we get a palindrome (918819).

The spelling of 401715 in words is "four hundred one thousand, seven hundred fifteen".