328256746 has 8 divisors (see below), whose sum is σ = 492471684. Its totient is φ = 164099520.

The previous prime is 328256743. The next prime is 328256801. The reversal of 328256746 is 647652823.

It can be written as a sum of positive squares in 2 ways, for example, as 203376121 + 124880625 = 14261^2 + 11175^2 .

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

It is not an unprimeable number, because it can be changed into a prime (328256743) 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, 5056 + ... + 26116.

Almost surely, 2^328256746 is an apocalyptic number.

328256746 is a deficient number, since it is larger than the sum of its proper divisors (164214938).

328256746 is a wasteful number, since it uses less digits than its factorization.

328256746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28856.

The product of its digits is 483840, while the sum is 43.

The square root of 328256746 is about 18117.8571028695. The cubic root of 328256746 is about 689.8233434194.

The spelling of 328256746 in words is "three hundred twenty-eight million, two hundred fifty-six thousand, seven hundred forty-six".