355648 has 14 divisors (see below), whose sum is σ = 705866. Its totient is φ = 177792.

The previous prime is 355643. The next prime is 355651. The reversal of 355648 is 846553.

It can be written as a sum of positive squares in only one way, i.e., 350464 + 5184 = 592^2 + 72^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355643) by changing a digit.

355648 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2715 + ... + 2842.

It is an arithmetic number, because the mean of its divisors is an integer number (50419).

2³⁵⁵⁶⁴⁸ is an apocalyptic number.

It is an amenable number.

355648 is a deficient number, since it is larger than the sum of its proper divisors (350218).

355648 is an equidigital number, since it uses as much as digits as its factorization.

355648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5569 (or 5559 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 355648 is about 596.3623059852. The cubic root of 355648 is about 70.8500438852.

The spelling of 355648 in words is "three hundred fifty-five thousand, six hundred forty-eight".