332947665 has 48 divisors (see below), whose sum is σ = 605404800. Its totient is φ = 175519872.

The previous prime is 332947663. The next prime is 332947687. The reversal of 332947665 is 566749233.

It is not a de Polignac number, because 332947665 - 2¹ = 332947663 is a prime.

It is a super-2 number, since 2×332947665² = 221708295257904450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a nialpdrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 332947665.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332947663) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 106596 + ... + 109674.

It is an arithmetic number, because the mean of its divisors is an integer number (12612600).

Almost surely, 2^332947665 is an apocalyptic number.

It is an amenable number.

332947665 is a deficient number, since it is larger than the sum of its proper divisors (272457135).

332947665 is an equidigital number, since it uses as much as digits as its factorization.

332947665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3188 (or 3176 counting only the distinct ones).

The product of its digits is 816480, while the sum is 45.

The square root of 332947665 is about 18246.8535643820. The cubic root of 332947665 is about 693.0937636666.

The spelling of 332947665 in words is "three hundred thirty-two million, nine hundred forty-seven thousand, six hundred sixty-five".