355442 has 8 divisors (see below), whose sum is σ = 556416. Its totient is φ = 169972.

The previous prime is 355441. The next prime is 355457. The reversal of 355442 is 244553.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (355441) 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, 3818 + ... + 3909.

It is an arithmetic number, because the mean of its divisors is an integer number (69552).

2³⁵⁵⁴⁴² is an apocalyptic number.

355442 is a deficient number, since it is larger than the sum of its proper divisors (200974).

355442 is a wasteful number, since it uses less digits than its factorization.

355442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7752.

The product of its digits is 2400, while the sum is 23.

The square root of 355442 is about 596.1895671680. The cubic root of 355442 is about 70.8363618851.

Adding to 355442 its reverse (244553), we get a palindrome (599995).

Subtracting from 355442 its reverse (244553), we obtain a square (110889 = 333²).

It can be divided in two parts, 355 and 442, that added together give a palindrome (797).

The spelling of 355442 in words is "three hundred fifty-five thousand, four hundred forty-two".