344409 has 8 divisors (see below), whose sum is σ = 494592. Its totient is φ = 211920.

The previous prime is 344371. The next prime is 344417. The reversal of 344409 is 904443.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 344409 - 2⁸ = 344153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (344429) 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, 4377 + ... + 4454.

It is an arithmetic number, because the mean of its divisors is an integer number (61824).

2³⁴⁴⁴⁰⁹ is an apocalyptic number.

344409 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

344409 is a deficient number, since it is larger than the sum of its proper divisors (150183).

344409 is a wasteful number, since it uses less digits than its factorization.

344409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8847.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 344409 is about 586.8636979742. The cubic root of 344409 is about 70.0957193919.

The spelling of 344409 in words is "three hundred forty-four thousand, four hundred nine".