328857674 has 4 divisors (see below), whose sum is σ = 493286514. Its totient is φ = 164428836.

The previous prime is 328857671. The next prime is 328857689. The reversal of 328857674 is 476758823.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 476758823 = 71 ⋅6714913.

It can be written as a sum of positive squares in only one way, i.e., 205492225 + 123365449 = 14335^2 + 11107^2 .

It is not an unprimeable number, because it can be changed into a prime (328857671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82214417 + ... + 82214420.

Almost surely, 2^328857674 is an apocalyptic number.

328857674 is a deficient number, since it is larger than the sum of its proper divisors (164428840).

328857674 is a wasteful number, since it uses less digits than its factorization.

328857674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164428839.

The product of its digits is 2257920, while the sum is 50.

The square root of 328857674 is about 18134.4333796234. The cubic root of 328857674 is about 690.2440318657.

The spelling of 328857674 in words is "three hundred twenty-eight million, eight hundred fifty-seven thousand, six hundred seventy-four".