330397307 has 4 divisors (see below), whose sum is σ = 331840320. Its totient is φ = 328954296.

The previous prime is 330397267. The next prime is 330397313. The reversal of 330397307 is 703793033.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 703793033 = 11839 ⋅59447.

It is a cyclic number.

It is not a de Polignac number, because 330397307 - 2²⁴ = 313620091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (330397387) 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, 721163 + ... + 721620.

It is an arithmetic number, because the mean of its divisors is an integer number (82960080).

Almost surely, 2^330397307 is an apocalyptic number.

330397307 is a deficient number, since it is larger than the sum of its proper divisors (1443013).

330397307 is a wasteful number, since it uses less digits than its factorization.

330397307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443012.

The product of its (nonzero) digits is 35721, while the sum is 35.

The square root of 330397307 is about 18176.8343503482. The cubic root of 330397307 is about 691.3195410223.

The spelling of 330397307 in words is "three hundred thirty million, three hundred ninety-seven thousand, three hundred seven".