355649242 has 8 divisors (see below), whose sum is σ = 574510356. Its totient is φ = 164145792.

The previous prime is 355649237. The next prime is 355649269. The reversal of 355649242 is 242946553.

355649242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 354907921 + 741321 = 18839^2 + 861^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 355649195 and 355649204.

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, 6839383 + ... + 6839434.

Almost surely, 2^355649242 is an apocalyptic number.

355649242 is a deficient number, since it is larger than the sum of its proper divisors (218861114).

355649242 is a wasteful number, since it uses less digits than its factorization.

355649242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13678832.

The product of its digits is 259200, while the sum is 40.

The square root of 355649242 is about 18858.6649050244. The cubic root of 355649242 is about 708.5012635968.

The spelling of 355649242 in words is "three hundred fifty-five million, six hundred forty-nine thousand, two hundred forty-two".