401946 has 16 divisors (see below), whose sum is σ = 830208. Its totient is φ = 129600.

The previous prime is 401939. The next prime is 401953. The reversal of 401946 is 649104.

It is an interprime number because it is at equal distance from previous prime (401939) and next prime (401953).

It is a Curzon number.

It is an unprimeable number.

401946 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, 895 + ... + 1266.

It is an arithmetic number, because the mean of its divisors is an integer number (51888).

2⁴⁰¹⁹⁴⁶ is an apocalyptic number.

401946 is an abundant number, since it is smaller than the sum of its proper divisors (428262).

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

401946 is a wasteful number, since it uses less digits than its factorization.

401946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2197.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 401946 is about 633.9921135156. The cubic root of 401946 is about 73.7999221509.

The spelling of 401946 in words is "four hundred one thousand, nine hundred forty-six".