401936 has 10 divisors (see below), whose sum is σ = 778782. Its totient is φ = 200960.

The previous prime is 401917. The next prime is 401939. The reversal of 401936 is 639104.

401936 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 336400 + 65536 = 580^2 + 256^2 .

It is a nialpdrome in base 16.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12545 + ... + 12576.

2⁴⁰¹⁹³⁶ is an apocalyptic number.

It is an amenable number.

401936 is a deficient number, since it is larger than the sum of its proper divisors (376846).

401936 is a wasteful number, since it uses less digits than its factorization.

401936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25129 (or 25123 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 401936 is about 633.9842269331. The cubic root of 401936 is about 73.7993101240.

The spelling of 401936 in words is "four hundred one thousand, nine hundred thirty-six".