352045646 has 8 divisors (see below), whose sum is σ = 534753120. Its totient is φ = 173794608.

The previous prime is 352045643. The next prime is 352045667. The reversal of 352045646 is 646540253.

It is a happy number.

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

It is a super-2 number, since 2×352045646² = 247872273735114632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352045643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1113911 + ... + 1114226.

It is an arithmetic number, because the mean of its divisors is an integer number (66844140).

Almost surely, 2^352045646 is an apocalyptic number.

352045646 is a deficient number, since it is larger than the sum of its proper divisors (182707474).

352045646 is a wasteful number, since it uses less digits than its factorization.

352045646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228218.

The product of its (nonzero) digits is 86400, while the sum is 35.

The square root of 352045646 is about 18762.8794698468. The cubic root of 352045646 is about 706.1001858749.

Adding to 352045646 its reverse (646540253), we get a palindrome (998585899).

The spelling of 352045646 in words is "three hundred fifty-two million, forty-five thousand, six hundred forty-six".