330138386 has 8 divisors (see below), whose sum is σ = 495505164. Its totient is φ = 164970000.

The previous prime is 330138371. The next prime is 330138401. The reversal of 330138386 is 683831033.

It is an interprime number because it is at equal distance from previous prime (330138371) and next prime (330138401).

It can be written as a sum of positive squares in 2 ways, for example, as 329604025 + 534361 = 18155^2 + 731^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45365 + ... + 52136.

Almost surely, 2^330138386 is an apocalyptic number.

330138386 is a deficient number, since it is larger than the sum of its proper divisors (165366778).

330138386 is a wasteful number, since it uses less digits than its factorization.

330138386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99196.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 330138386 is about 18169.7106746365. The cubic root of 330138386 is about 691.1389060500.

The spelling of 330138386 in words is "three hundred thirty million, one hundred thirty-eight thousand, three hundred eighty-six".