321606952 has 64 divisors (see below), whose sum is σ = 660396240. Its totient is φ = 146227200.

The previous prime is 321606937. The next prime is 321606959. The reversal of 321606952 is 259606123.

It can be written as a sum of positive squares in 8 ways, for example, as 35117476 + 286489476 = 5926^2 + 16926^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (321606959) 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 15 ways as a sum of consecutive naturals, for example, 763702 + ... + 764122.

Almost surely, 2^321606952 is an apocalyptic number.

It is an amenable number.

321606952 is an abundant number, since it is smaller than the sum of its proper divisors (338789288).

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

321606952 is a wasteful number, since it uses less digits than its factorization.

321606952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622 (or 618 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 321606952 is about 17933.4032464560. The cubic root of 321606952 is about 685.1334046745.

The spelling of 321606952 in words is "three hundred twenty-one million, six hundred six thousand, nine hundred fifty-two".