409794 has 32 divisors (see below), whose sum is σ = 1022976. Its totient is φ = 106320.

The previous prime is 409781. The next prime is 409813. The reversal of 409794 is 497904.

409794 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×409794² = 335862244872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19 + ... + 905.

It is an arithmetic number, because the mean of its divisors is an integer number (31968).

2⁴⁰⁹⁷⁹⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 409794, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (511488).

409794 is an abundant number, since it is smaller than the sum of its proper divisors (613182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

409794 is a wasteful number, since it uses less digits than its factorization.

409794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 409794 is about 640.1515445580. The cubic root of 409794 is about 74.2771443340.

The spelling of 409794 in words is "four hundred nine thousand, seven hundred ninety-four".