322987645 has 8 divisors (see below), whose sum is σ = 400950360. Its totient is φ = 249480000.

The previous prime is 322987603. The next prime is 322987657. The reversal of 322987645 is 546789223.

It can be written as a sum of positive squares in 4 ways, for example, as 19740249 + 303247396 = 4443^2 + 17414^2 .

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

It is not a de Polignac number, because 322987645 - 2¹³ = 322979453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 322987595 and 322987604.

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, 1113606 + ... + 1113895.

It is an arithmetic number, because the mean of its divisors is an integer number (50118795).

Almost surely, 2^322987645 is an apocalyptic number.

It is an amenable number.

322987645 is a deficient number, since it is larger than the sum of its proper divisors (77962715).

322987645 is a wasteful number, since it uses less digits than its factorization.

322987645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2227535.

The product of its digits is 725760, while the sum is 46.

The square root of 322987645 is about 17971.8570270298. The cubic root of 322987645 is about 686.1124552502.

The spelling of 322987645 in words is "three hundred twenty-two million, nine hundred eighty-seven thousand, six hundred forty-five".