355642 has 24 divisors (see below), whose sum is σ = 656640. Its totient is φ = 143640.

The previous prime is 355633. The next prime is 355643. The reversal of 355642 is 246553.

355642 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (355643) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1767 + ... + 1957.

It is an arithmetic number, because the mean of its divisors is an integer number (27360).

2³⁵⁵⁶⁴² is an apocalyptic number.

355642 is a deficient number, since it is larger than the sum of its proper divisors (300998).

355642 is a wasteful number, since it uses less digits than its factorization.

355642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 219 counting only the distinct ones).

The product of its digits is 3600, while the sum is 25.

The square root of 355642 is about 596.3572754650. The cubic root of 355642 is about 70.8496454551.

The spelling of 355642 in words is "three hundred fifty-five thousand, six hundred forty-two".