355408 has 20 divisors (see below), whose sum is σ = 698740. Its totient is φ = 175104.

The previous prime is 355379. The next prime is 355417. The reversal of 355408 is 804553.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 258064 + 97344 = 508^2 + 312^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1438 + ... + 1666.

It is an arithmetic number, because the mean of its divisors is an integer number (34937).

2³⁵⁵⁴⁰⁸ is an apocalyptic number.

It is an amenable number.

355408 is a deficient number, since it is larger than the sum of its proper divisors (343332).

355408 is a wasteful number, since it uses less digits than its factorization.

355408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 355408 is about 596.1610520656. The cubic root of 355408 is about 70.8341031827.

The spelling of 355408 in words is "three hundred fifty-five thousand, four hundred eight".