355489 has 4 divisors (see below), whose sum is σ = 359856. Its totient is φ = 351124.

The previous prime is 355483. The next prime is 355499. The reversal of 355489 is 984553.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 984553 = 809 ⋅1217.

It is a cyclic number.

It is not a de Polignac number, because 355489 - 2⁵ = 355457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (355483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2059 + ... + 2224.

It is an arithmetic number, because the mean of its divisors is an integer number (89964).

2³⁵⁵⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

355489 is a deficient number, since it is larger than the sum of its proper divisors (4367).

355489 is an equidigital number, since it uses as much as digits as its factorization.

355489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4366.

The product of its digits is 21600, while the sum is 34.

The square root of 355489 is about 596.2289828581. The cubic root of 355489 is about 70.8394839719.

The spelling of 355489 in words is "three hundred fifty-five thousand, four hundred eighty-nine".