355428 has 30 divisors (see below), whose sum is σ = 930006. Its totient is φ = 118368.

The previous prime is 355427. The next prime is 355441. The reversal of 355428 is 824553.

It can be written as a sum of positive squares in only one way, i.e., 272484 + 82944 = 522^2 + 288^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (355427) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 225 + ... + 872.

2³⁵⁵⁴²⁸ is an apocalyptic number.

It is an amenable number.

355428 is an abundant number, since it is smaller than the sum of its proper divisors (574578).

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

355428 is a wasteful number, since it uses less digits than its factorization.

355428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113 (or 1102 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 355428 is about 596.1778258205. The cubic root of 355428 is about 70.8354318486.

The spelling of 355428 in words is "three hundred fifty-five thousand, four hundred twenty-eight".