330306940 has 24 divisors (see below), whose sum is σ = 734447952. Its totient is φ = 124350720.

The previous prime is 330306919. The next prime is 330306943. The reversal of 330306940 is 49603033.

It is a super-2 number, since 2×330306940² = 218205349224327200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 330306899 and 330306908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330306943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 485406 + ... + 486085.

It is an arithmetic number, because the mean of its divisors is an integer number (30601998).

Almost surely, 2^330306940 is an apocalyptic number.

It is an amenable number.

330306940 is an abundant number, since it is smaller than the sum of its proper divisors (404141012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

330306940 is a wasteful number, since it uses less digits than its factorization.

330306940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971517 (or 971515 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 330306940 is about 18174.3484064766. The cubic root of 330306940 is about 691.2565076500.

Adding to 330306940 its reverse (49603033), we get a palindrome (379909973).

The spelling of 330306940 in words is "three hundred thirty million, three hundred six thousand, nine hundred forty".