401682 has 8 divisors (see below), whose sum is σ = 803376. Its totient is φ = 133892.

The previous prime is 401671. The next prime is 401689. The reversal of 401682 is 286104.

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

401682 is an admirable number.

It is a super-2 number, since 2×401682² = 322696858248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401689) 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, 33468 + ... + 33479.

It is an arithmetic number, because the mean of its divisors is an integer number (100422).

2⁴⁰¹⁶⁸² is an apocalyptic number.

401682 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401682 is a wasteful number, since it uses less digits than its factorization.

401682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66952.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 401682 is about 633.7838748343. The cubic root of 401682 is about 73.7837612350.

Adding to 401682 its reverse (286104), we get a palindrome (687786).

The spelling of 401682 in words is "four hundred one thousand, six hundred eighty-two".