329790 has 16 divisors (see below), whose sum is σ = 791568. Its totient is φ = 87936.

The previous prime is 329789. The next prime is 329801. The reversal of 329790 is 97923.

It is a super-2 number, since 2×329790² = 217522888200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 10993 = 329790 / (3 + 2 + 9 + 7 + 9 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5467 + ... + 5526.

It is an arithmetic number, because the mean of its divisors is an integer number (49473).

2³²⁹⁷⁹⁰ is an apocalyptic number.

329790 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

329790 is an abundant number, since it is smaller than the sum of its proper divisors (461778).

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

329790 is a wasteful number, since it uses less digits than its factorization.

329790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11003.

The product of its (nonzero) digits is 3402, while the sum is 30.

The square root of 329790 is about 574.2734540269. The cubic root of 329790 is about 69.0895707161.

The spelling of 329790 in words is "three hundred twenty-nine thousand, seven hundred ninety".