401704 has 16 divisors (see below), whose sum is σ = 760500. Its totient is φ = 198912.

The previous prime is 401689. The next prime is 401707. The reversal of 401704 is 407104.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 357604 + 44100 = 598^2 + 210^2 .

It is a super-2 number, since 2×401704² = 322732207232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401707) by changing a digit.

401704 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1024 + ... + 1360.

2⁴⁰¹⁷⁰⁴ is an apocalyptic number.

It is an amenable number.

401704 is a deficient number, since it is larger than the sum of its proper divisors (358796).

401704 is a wasteful number, since it uses less digits than its factorization.

401704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492 (or 488 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 401704 is about 633.8012306709. The cubic root of 401704 is about 73.7851082484.

Adding to 401704 its reverse (407104), we get a palindrome (808808).

The spelling of 401704 in words is "four hundred one thousand, seven hundred four", and thus it is an iban number.