401934 has 16 divisors (see below), whose sum is σ = 865872. Its totient is φ = 123648.

The previous prime is 401917. The next prime is 401939. The reversal of 401934 is 439104.

It is a self number, because there is not a number n which added to its sum of digits gives 401934.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401939) by changing a digit.

401934 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, 2499 + ... + 2654.

It is an arithmetic number, because the mean of its divisors is an integer number (54117).

2⁴⁰¹⁹³⁴ is an apocalyptic number.

401934 is an abundant number, since it is smaller than the sum of its proper divisors (463938).

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

401934 is a wasteful number, since it uses less digits than its factorization.

401934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5171.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 401934 is about 633.9826496049. The cubic root of 401934 is about 73.7991877174.

The spelling of 401934 in words is "four hundred one thousand, nine hundred thirty-four".