401853 has 16 divisors (see below), whose sum is σ = 576000. Its totient is φ = 248640.

The previous prime is 401839. The next prime is 401861. The reversal of 401853 is 358104.

It is not a de Polignac number, because 401853 - 2⁹ = 401341 is a prime.

It is a super-2 number, since 2×401853² = 322971667218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2623 + ... + 2771.

It is an arithmetic number, because the mean of its divisors is an integer number (36000).

2⁴⁰¹⁸⁵³ is an apocalyptic number.

It is an amenable number.

401853 is a deficient number, since it is larger than the sum of its proper divisors (174147).

401853 is a wasteful number, since it uses less digits than its factorization.

401853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 401853 is about 633.9187645117. The cubic root of 401853 is about 73.7942299085.

Adding to 401853 its reverse (358104), we get a palindrome (759957).

The spelling of 401853 in words is "four hundred one thousand, eight hundred fifty-three".