354438 has 48 divisors (see below), whose sum is σ = 917280. Its totient is φ = 96768.

The previous prime is 354421. The next prime is 354439. The reversal of 354438 is 834453.

It is a happy number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 354438.

It is not an unprimeable number, because it can be changed into a prime (354439) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3606 + ... + 3702.

It is an arithmetic number, because the mean of its divisors is an integer number (19110).

2³⁵⁴⁴³⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 354438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (458640).

354438 is an abundant number, since it is smaller than the sum of its proper divisors (562842).

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

354438 is a wasteful number, since it uses less digits than its factorization.

354438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 138 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 354438 is about 595.3469576642. The cubic root of 354438 is about 70.7696029620.

The spelling of 354438 in words is "three hundred fifty-four thousand, four hundred thirty-eight".