323490789 has 24 divisors (see below), whose sum is σ = 493796160. Its totient is φ = 203504832.

The previous prime is 323490787. The next prime is 323490823. The reversal of 323490789 is 987094323.

It is a happy number.

It is not a de Polignac number, because 323490789 - 2¹ = 323490787 is a prime.

It is a super-3 number, since 3×323490789³ (a number of 27 digits) contains 333 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323490781) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 41377 + ... + 48569.

It is an arithmetic number, because the mean of its divisors is an integer number (20574840).

Almost surely, 2^323490789 is an apocalyptic number.

It is an amenable number.

323490789 is a deficient number, since it is larger than the sum of its proper divisors (170305371).

323490789 is a wasteful number, since it uses less digits than its factorization.

323490789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7481 (or 7478 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 323490789 is about 17985.8496880186. The cubic root of 323490789 is about 686.4685413832.

The spelling of 323490789 in words is "three hundred twenty-three million, four hundred ninety thousand, seven hundred eighty-nine".