409246 has 4 divisors (see below), whose sum is σ = 613872. Its totient is φ = 204622.

The previous prime is 409237. The next prime is 409259. The reversal of 409246 is 642904.

409246 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 409246.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102310 + ... + 102313.

It is an arithmetic number, because the mean of its divisors is an integer number (153468).

2⁴⁰⁹²⁴⁶ is an apocalyptic number.

409246 is a deficient number, since it is larger than the sum of its proper divisors (204626).

409246 is a wasteful number, since it uses less digits than its factorization.

409246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204625.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 409246 is about 639.7233777188. The cubic root of 409246 is about 74.2440203478.

The spelling of 409246 in words is "four hundred nine thousand, two hundred forty-six".