409496 has 16 divisors (see below), whose sum is σ = 813240. Its totient is φ = 192640.

The previous prime is 409483. The next prime is 409499. The reversal of 409496 is 694904.

It is a happy number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1370 + ... + 1641.

2⁴⁰⁹⁴⁹⁶ is an apocalyptic number.

It is an amenable number.

409496 is a deficient number, since it is larger than the sum of its proper divisors (403744).

409496 is a wasteful number, since it uses less digits than its factorization.

409496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3034 (or 3030 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 409496 is about 639.9187448419. The cubic root of 409496 is about 74.2591353209.

The spelling of 409496 in words is "four hundred nine thousand, four hundred ninety-six".