356836945 has 8 divisors (see below), whose sum is σ = 428319144. Its totient is φ = 285393024.

The previous prime is 356836871. The next prime is 356836951. The reversal of 356836945 is 549638653.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 36820624 + 320016321 = 6068^2 + 17889^2 .

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 356836945 - 2⁹ = 356836433 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18357 + ... + 32413.

It is an arithmetic number, because the mean of its divisors is an integer number (53539893).

Almost surely, 2^356836945 is an apocalyptic number.

It is an amenable number.

356836945 is a deficient number, since it is larger than the sum of its proper divisors (71482199).

356836945 is a wasteful number, since it uses less digits than its factorization.

356836945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19139.

The product of its digits is 2332800, while the sum is 49.

The square root of 356836945 is about 18890.1282420210. The cubic root of 356836945 is about 709.2890754666.

The spelling of 356836945 in words is "three hundred fifty-six million, eight hundred thirty-six thousand, nine hundred forty-five".