409486 has 16 divisors (see below), whose sum is σ = 766080. Its totient is φ = 159480.

The previous prime is 409483. The next prime is 409499. The reversal of 409486 is 684904.

409486 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a plaindrome in base 13.

It is a nialpdrome in base 14.

It is a zygodrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1176 + ... + 1483.

It is an arithmetic number, because the mean of its divisors is an integer number (47880).

2⁴⁰⁹⁴⁸⁶ is an apocalyptic number.

409486 is a deficient number, since it is larger than the sum of its proper divisors (356594).

409486 is a wasteful number, since it uses less digits than its factorization.

409486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2679.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 409486 is about 639.9109313022. The cubic root of 409486 is about 74.2585308401.

The spelling of 409486 in words is "four hundred nine thousand, four hundred eighty-six".