355620343 has 8 divisors (see below), whose sum is σ = 383127248. Its totient is φ = 328135104.

The previous prime is 355620311. The next prime is 355620361. The reversal of 355620343 is 343026553.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 355620343 - 2⁵ = 355620311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355620373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48955 + ... + 55747.

It is an arithmetic number, because the mean of its divisors is an integer number (47890906).

Almost surely, 2^355620343 is an apocalyptic number.

355620343 is a deficient number, since it is larger than the sum of its proper divisors (27506905).

355620343 is a wasteful number, since it uses less digits than its factorization.

355620343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10833.

The product of its (nonzero) digits is 32400, while the sum is 31.

The square root of 355620343 is about 18857.8986899389. The cubic root of 355620343 is about 708.4820728416.

Adding to 355620343 its reverse (343026553), we get a palindrome (698646896).

The spelling of 355620343 in words is "three hundred fifty-five million, six hundred twenty thousand, three hundred forty-three".