354728 has 32 divisors (see below), whose sum is σ = 756000. Its totient is φ = 154560.

The previous prime is 354727. The next prime is 354737. The reversal of 354728 is 827453.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a self number, because there is not a number n which added to its sum of digits gives 354728.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 354728.

It is not an unprimeable number, because it can be changed into a prime (354727) 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, 2483 + ... + 2621.

It is an arithmetic number, because the mean of its divisors is an integer number (23625).

2³⁵⁴⁷²⁸ 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 354728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (378000).

354728 is an abundant number, since it is smaller than the sum of its proper divisors (401272).

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

354728 is a wasteful number, since it uses less digits than its factorization.

354728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185 (or 181 counting only the distinct ones).

The product of its digits is 6720, while the sum is 29.

The square root of 354728 is about 595.5904633219. The cubic root of 354728 is about 70.7888988521.

The spelling of 354728 in words is "three hundred fifty-four thousand, seven hundred twenty-eight".