330839481 has 16 divisors (see below), whose sum is σ = 511239168. Its totient is φ = 186387600.

The previous prime is 330839473. The next prime is 330839489. The reversal of 330839481 is 184938033.

330839481 = 4² + 5² + ... + 997².

It is an interprime number because it is at equal distance from previous prime (330839473) and next prime (330839489).

It is not a de Polignac number, because 330839481 - 2³ = 330839473 is a prime.

It is a super-2 number, since 2×330839481² = 218909524376698722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (330839489) 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, 109455 + ... + 112436.

It is an arithmetic number, because the mean of its divisors is an integer number (31952448).

Almost surely, 2^330839481 is an apocalyptic number.

It is an amenable number.

330839481 is a deficient number, since it is larger than the sum of its proper divisors (180399687).

330839481 is a wasteful number, since it uses less digits than its factorization.

330839481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221972.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 330839481 is about 18188.9934026048. The cubic root of 330839481 is about 691.6278034841.

The spelling of 330839481 in words is "three hundred thirty million, eight hundred thirty-nine thousand, four hundred eighty-one".