409354 has 16 divisors (see below), whose sum is σ = 699840. Its totient is φ = 177760.

The previous prime is 409351. The next prime is 409369. The reversal of 409354 is 453904.

It is not an unprimeable number, because it can be changed into a prime (409351) 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, 102 + ... + 910.

It is an arithmetic number, because the mean of its divisors is an integer number (43740).

2⁴⁰⁹³⁵⁴ is an apocalyptic number.

409354 is a deficient number, since it is larger than the sum of its proper divisors (290486).

409354 is a wasteful number, since it uses less digits than its factorization.

409354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 409354 is about 639.8077836351. The cubic root of 409354 is about 74.2505507712.

The spelling of 409354 in words is "four hundred nine thousand, three hundred fifty-four".