355390 has 16 divisors (see below), whose sum is σ = 731232. Its totient is φ = 121824.

The previous prime is 355379. The next prime is 355417. The reversal of 355390 is 93553.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2469 + ... + 2608.

It is an arithmetic number, because the mean of its divisors is an integer number (45702).

2³⁵⁵³⁹⁰ is an apocalyptic number.

355390 is an abundant number, since it is smaller than the sum of its proper divisors (375842).

It is a weird number, because it is abundant, but not a pseudoperfect number.

355390 is a wasteful number, since it uses less digits than its factorization.

355390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5091.

The product of its (nonzero) digits is 2025, while the sum is 25.

The square root of 355390 is about 596.1459552828. The cubic root of 355390 is about 70.8329073408.

The spelling of 355390 in words is "three hundred fifty-five thousand, three hundred ninety".