330530817 has 16 divisors (see below), whose sum is σ = 447547968. Its totient is φ = 216952320.

The previous prime is 330530789. The next prime is 330530819. The reversal of 330530817 is 718035033.

It is not a de Polignac number, because 330530817 - 2⁷ = 330530689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (330530819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75817 + ... + 80057.

It is an arithmetic number, because the mean of its divisors is an integer number (27971748).

It is a Proth number, since it is equal to 10087 ⋅ 2¹⁵ + 1 and 10087 < 2¹⁵.

Almost surely, 2^330530817 is an apocalyptic number.

It is an amenable number.

330530817 is a deficient number, since it is larger than the sum of its proper divisors (117017151).

330530817 is a wasteful number, since it uses less digits than its factorization.

330530817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4640.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 330530817 is about 18180.5065110959. The cubic root of 330530817 is about 691.4126467474.

The spelling of 330530817 in words is "three hundred thirty million, five hundred thirty thousand, eight hundred seventeen".