328162769 has 6 divisors (see below), whose sum is σ = 360707970. Its totient is φ = 298329680.

The previous prime is 328162763. The next prime is 328162771. The reversal of 328162769 is 967261823.

It can be written as a sum of positive squares in only one way, i.e., 249166225 + 78996544 = 15785^2 + 8888^2 .

It is not a de Polignac number, because 328162769 - 2¹² = 328158673 is a prime.

It is a super-2 number, since 2×328162769² = 215381605915494722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328162763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1355924 + ... + 1356165.

It is an arithmetic number, because the mean of its divisors is an integer number (60117995).

Almost surely, 2^328162769 is an apocalyptic number.

It is an amenable number.

328162769 is a deficient number, since it is larger than the sum of its proper divisors (32545201).

328162769 is a wasteful number, since it uses less digits than its factorization.

328162769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2712111 (or 2712100 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 328162769 is about 18115.2634261829. The cubic root of 328162769 is about 689.7575070310.

The spelling of 328162769 in words is "three hundred twenty-eight million, one hundred sixty-two thousand, seven hundred sixty-nine".