352640852 has 12 divisors (see below), whose sum is σ = 620532276. Its totient is φ = 175345920.

The previous prime is 352640803. The next prime is 352640857. The reversal of 352640852 is 258046253.

It can be written as a sum of positive squares in 2 ways, for example, as 27415696 + 325225156 = 5236^2 + 18034^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352640857) 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, 242813 + ... + 244260.

It is an arithmetic number, because the mean of its divisors is an integer number (51711023).

Almost surely, 2^352640852 is an apocalyptic number.

It is an amenable number.

352640852 is a deficient number, since it is larger than the sum of its proper divisors (267891424).

352640852 is a wasteful number, since it uses less digits than its factorization.

352640852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487258 (or 487256 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 352640852 is about 18778.7340361378. The cubic root of 352640852 is about 706.4978979711.

The spelling of 352640852 in words is "three hundred fifty-two million, six hundred forty thousand, eight hundred fifty-two".