401912 has 16 divisors (see below), whose sum is σ = 861360. Its totient is φ = 172224.

The previous prime is 401909. The next prime is 401917. The reversal of 401912 is 219104.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401917) 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, 3533 + ... + 3644.

It is an arithmetic number, because the mean of its divisors is an integer number (53835).

2⁴⁰¹⁹¹² is an apocalyptic number.

It is an amenable number.

401912 is an abundant number, since it is smaller than the sum of its proper divisors (459448).

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

401912 is a wasteful number, since it uses less digits than its factorization.

401912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7190 (or 7186 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 401912 is about 633.9652987349. The cubic root of 401912 is about 73.7978412179.

The spelling of 401912 in words is "four hundred one thousand, nine hundred twelve".