328264369 has 4 divisors (see below), whose sum is σ = 339583860. Its totient is φ = 316944880.

The previous prime is 328264357. The next prime is 328264381. The reversal of 328264369 is 963462823.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 963462823 = 47 ⋅20499209.

It is an interprime number because it is at equal distance from previous prime (328264357) and next prime (328264381).

It can be written as a sum of positive squares in 2 ways, for example, as 184552225 + 143712144 = 13585^2 + 11988^2 .

It is a cyclic number.

It is not a de Polignac number, because 328264369 - 2¹¹ = 328262321 is a prime.

It is a super-2 number, since 2×328264369² = 215514991909936322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328264319) 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, 5659702 + ... + 5659759.

It is an arithmetic number, because the mean of its divisors is an integer number (84895965).

Almost surely, 2^328264369 is an apocalyptic number.

It is an amenable number.

328264369 is a deficient number, since it is larger than the sum of its proper divisors (11319491).

328264369 is a wasteful number, since it uses less digits than its factorization.

328264369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11319490.

The product of its digits is 373248, while the sum is 43.

The square root of 328264369 is about 18118.0674742093. The cubic root of 328264369 is about 689.8286832260.

The spelling of 328264369 in words is "three hundred twenty-eight million, two hundred sixty-four thousand, three hundred sixty-nine".