401466 has 16 divisors (see below), whose sum is σ = 864864. Its totient is φ = 123504.

The previous prime is 401417. The next prime is 401473. The reversal of 401466 is 664104.

It is a super-2 number, since 2×401466² = 322349898312, which contains 22 as substring.

It is a Curzon number.

It is a nialpdrome in base 14.

It is an unprimeable number.

401466 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2496 + ... + 2651.

It is an arithmetic number, because the mean of its divisors is an integer number (54054).

2⁴⁰¹⁴⁶⁶ is an apocalyptic number.

401466 is an abundant number, since it is smaller than the sum of its proper divisors (463398).

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

401466 is a wasteful number, since it uses less digits than its factorization.

401466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5165.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 401466 is about 633.6134468270. The cubic root of 401466 is about 73.7705333997.

The spelling of 401466 in words is "four hundred one thousand, four hundred sixty-six".