330333397 has 4 divisors (see below), whose sum is σ = 331233856. Its totient is φ = 329432940.

The previous prime is 330333359. The next prime is 330333401. The reversal of 330333397 is 793333033.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-330333397 is a prime.

It is a super-4 number, since 4×330333397⁴ (a number of 35 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330333097) 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, 449679 + ... + 450412.

It is an arithmetic number, because the mean of its divisors is an integer number (82808464).

Almost surely, 2^330333397 is an apocalyptic number.

It is an amenable number.

330333397 is a deficient number, since it is larger than the sum of its proper divisors (900459).

330333397 is an equidigital number, since it uses as much as digits as its factorization.

330333397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900458.

The product of its (nonzero) digits is 45927, while the sum is 34.

The square root of 330333397 is about 18175.0762584370. The cubic root of 330333397 is about 691.2749632973.

The spelling of 330333397 in words is "three hundred thirty million, three hundred thirty-three thousand, three hundred ninety-seven".