324666693 has 12 divisors (see below), whose sum is σ = 505037260. Its totient is φ = 199794816.

The previous prime is 324666677. The next prime is 324666703. The reversal of 324666693 is 396666423.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 215296929 + 109369764 = 14673^2 + 10458^2 .

It is not a de Polignac number, because 324666693 - 2⁴ = 324666677 is a prime.

It is a super-4 number, since 4×324666693⁴ (a number of 35 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324666653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1387348 + ... + 1387581.

Almost surely, 2^324666693 is an apocalyptic number.

It is an amenable number.

324666693 is a deficient number, since it is larger than the sum of its proper divisors (180370567).

324666693 is a wasteful number, since it uses less digits than its factorization.

324666693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2774948 (or 2774945 counting only the distinct ones).

The product of its digits is 839808, while the sum is 45.

The square root of 324666693 is about 18018.5097330495. The cubic root of 324666693 is about 687.2993172056.

The spelling of 324666693 in words is "three hundred twenty-four million, six hundred sixty-six thousand, six hundred ninety-three".