330897645 has 24 divisors (see below), whose sum is σ = 617676696. Its totient is φ = 162903168.

The previous prime is 330897643. The next prime is 330897647. The reversal of 330897645 is 546798033.

It is an interprime number because it is at equal distance from previous prime (330897643) and next prime (330897647).

It can be written as a sum of positive squares in 4 ways, for example, as 17288964 + 313608681 = 4158^2 + 17709^2 .

It is not a de Polignac number, because 330897645 - 2¹ = 330897643 is a prime.

It is a super-3 number, since 3×330897645³ (a number of 27 digits) contains 333 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 330897645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330897643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 282234 + ... + 283403.

It is an arithmetic number, because the mean of its divisors is an integer number (25736529).

Almost surely, 2^330897645 is an apocalyptic number.

It is an amenable number.

330897645 is a deficient number, since it is larger than the sum of its proper divisors (286779051).

330897645 is a wasteful number, since it uses less digits than its factorization.

330897645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565661 (or 565658 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 330897645 is about 18190.5922113602. The cubic root of 330897645 is about 691.6683321842.

The spelling of 330897645 in words is "three hundred thirty million, eight hundred ninety-seven thousand, six hundred forty-five".