404349 has 8 divisors (see below), whose sum is σ = 588192. Its totient is φ = 245040.

The previous prime is 404323. The next prime is 404357. The reversal of 404349 is 943404.

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

It is not a de Polignac number, because 404349 - 2⁷ = 404221 is a prime.

It is a super-2 number, since 2×404349² = 326996227602, which contains 22 as substring.

It is a Curzon number.

404349 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404309) 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, 6094 + ... + 6159.

It is an arithmetic number, because the mean of its divisors is an integer number (73524).

2⁴⁰⁴³⁴⁹ is an apocalyptic number.

It is an amenable number.

404349 is a deficient number, since it is larger than the sum of its proper divisors (183843).

404349 is a wasteful number, since it uses less digits than its factorization.

404349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12267.

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

The square root of 404349 is about 635.8844234607. The cubic root of 404349 is about 73.9466988950.

The spelling of 404349 in words is "four hundred four thousand, three hundred forty-nine".