401481 has 12 divisors (see below), whose sum is σ = 599040. Its totient is φ = 258840.

The previous prime is 401477. The next prime is 401507. The reversal of 401481 is 184104.

It is not a de Polignac number, because 401481 - 2² = 401477 is a prime.

It is a super-2 number, since 2×401481² = 322373986722, which contains 22 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 401481.

It is not an unprimeable number, because it can be changed into a prime (401411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 441 + ... + 998.

It is an arithmetic number, because the mean of its divisors is an integer number (49920).

2⁴⁰¹⁴⁸¹ is an apocalyptic number.

It is an amenable number.

401481 is a deficient number, since it is larger than the sum of its proper divisors (197559).

401481 is a wasteful number, since it uses less digits than its factorization.

401481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1476 (or 1473 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 401481 is about 633.6252835864. The cubic root of 401481 is about 73.7714521526.

Adding to 401481 its reverse (184104), we get a palindrome (585585).

It can be divided in two parts, 4014 and 81, that added together give a triangular number (4095 = T₉₀).

The spelling of 401481 in words is "four hundred one thousand, four hundred eighty-one".