330690 has 32 divisors (see below), whose sum is σ = 809856. Its totient is φ = 86400.

The previous prime is 330689. The next prime is 330697. The reversal of 330690 is 96033.

330690 is an esthetic number in base 3, because in such base its adjacent digits differ by 1.

It is a super-2 number, since 2×330690² = 218711752200, which contains 22 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 330690.

It is not an unprimeable number, because it can be changed into a prime (330697) 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, 2115 + ... + 2265.

It is an arithmetic number, because the mean of its divisors is an integer number (25308).

2³³⁰⁶⁹⁰ is an apocalyptic number.

330690 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 330690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (404928).

330690 is an abundant number, since it is smaller than the sum of its proper divisors (479166).

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

330690 is a wasteful number, since it uses less digits than its factorization.

330690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234.

The product of its (nonzero) digits is 486, while the sum is 21.

The square root of 330690 is about 575.0565189614. The cubic root of 330690 is about 69.1523623264.

The spelling of 330690 in words is "three hundred thirty thousand, six hundred ninety".