323690 has 8 divisors (see below), whose sum is σ = 582660. Its totient is φ = 129472.

The previous prime is 323651. The next prime is 323699. The reversal of 323690 is 96323.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 284089 + 39601 = 533^2 + 199^2 .

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

It is a super-2 number, since 2×323690² = 209550432200, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a nialpdrome in base 13.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 323690.

It is not an unprimeable number, because it can be changed into a prime (323699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16175 + ... + 16194.

2³²³⁶⁹⁰ is an apocalyptic number.

323690 is a deficient number, since it is larger than the sum of its proper divisors (258970).

323690 is a wasteful number, since it uses less digits than its factorization.

323690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32376.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 323690 is about 568.9376064210. The cubic root of 323690 is about 68.6609425377.

The spelling of 323690 in words is "three hundred twenty-three thousand, six hundred ninety".