330197790 has 32 divisors (see below), whose sum is σ = 853435296. Its totient is φ = 81279360.

The previous prime is 330197773. The next prime is 330197809. The reversal of 330197790 is 97791033.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 422941 + ... + 423720.

It is an arithmetic number, because the mean of its divisors is an integer number (26669853).

Almost surely, 2^330197790 is an apocalyptic number.

330197790 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

330197790 is an abundant number, since it is smaller than the sum of its proper divisors (523237506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

330197790 is a wasteful number, since it uses less digits than its factorization.

330197790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846684.

The product of its (nonzero) digits is 35721, while the sum is 39.

The square root of 330197790 is about 18171.3452996744. The cubic root of 330197790 is about 691.1803573071.

The spelling of 330197790 in words is "three hundred thirty million, one hundred ninety-seven thousand, seven hundred ninety".