905344 has 32 divisors (see below), whose sum is σ = 1970640. Its totient is φ = 410880.

The previous prime is 905339. The next prime is 905347. The reversal of 905344 is 443509.

905344 is nontrivially palindromic in base 3.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (905347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1087 + ... + 1729.

2⁹⁰⁵³⁴⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 905344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (985320).

905344 is an abundant number, since it is smaller than the sum of its proper divisors (1065296).

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

905344 is a wasteful number, since it uses less digits than its factorization.

905344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668 (or 656 counting only the distinct ones).

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

The square root of 905344 is about 951.4956647300. The cubic root of 905344 is about 96.7396568564.

The spelling of 905344 in words is "nine hundred five thousand, three hundred forty-four".