401090 has 16 divisors (see below), whose sum is σ = 760320. Its totient is φ = 151920.

The previous prime is 401087. The next prime is 401101. The reversal of 401090 is 90104.

401090 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 866 + ... + 1245.

It is an arithmetic number, because the mean of its divisors is an integer number (47520).

2⁴⁰¹⁰⁹⁰ is an apocalyptic number.

401090 is a deficient number, since it is larger than the sum of its proper divisors (359230).

401090 is a wasteful number, since it uses less digits than its factorization.

401090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2137.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 401090 is about 633.3166664474. The cubic root of 401090 is about 73.7474958453.

Adding to 401090 its sum of digits (14), we get a palindrome (401104).

Adding to 401090 its reverse (90104), we get a palindrome (491194).

The spelling of 401090 in words is "four hundred one thousand, ninety".