353645644 has 24 divisors (see below), whose sum is σ = 696923136. Its totient is φ = 155562000.

The previous prime is 353645639. The next prime is 353645647. The reversal of 353645644 is 446546353.

It is a happy number.

It is a super-3 number, since 3×353645644³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 353645597 and 353645606.

It is not an unprimeable number, because it can be changed into a prime (353645647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128272 + ... + 130999.

It is an arithmetic number, because the mean of its divisors is an integer number (29038464).

Almost surely, 2^353645644 is an apocalyptic number.

It is an amenable number.

353645644 is a deficient number, since it is larger than the sum of its proper divisors (343277492).

353645644 is a wasteful number, since it uses less digits than its factorization.

353645644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259317 (or 259315 counting only the distinct ones).

The product of its digits is 518400, while the sum is 40.

The square root of 353645644 is about 18805.4684599985. The cubic root of 353645644 is about 707.1682781092.

The spelling of 353645644 in words is "three hundred fifty-three million, six hundred forty-five thousand, six hundred forty-four".