353645648 has 10 divisors (see below), whose sum is σ = 685188474. Its totient is φ = 176822816.

The previous prime is 353645647. The next prime is 353645657. The reversal of 353645648 is 846546353.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 318693904 + 34951744 = 17852^2 + 5912^2 .

It is a junction number, because it is equal to n+sod(n) for n = 353645599 and 353645608.

It is a congruent number.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11051411 + ... + 11051442.

Almost surely, 2^353645648 is an apocalyptic number.

It is an amenable number.

353645648 is a deficient number, since it is larger than the sum of its proper divisors (331542826).

353645648 is a wasteful number, since it uses less digits than its factorization.

353645648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22102861 (or 22102855 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 44.

The square root of 353645648 is about 18805.4685663506. The cubic root of 353645648 is about 707.1682807754.

The spelling of 353645648 in words is "three hundred fifty-three million, six hundred forty-five thousand, six hundred forty-eight".