355664988 has 36 divisors (see below), whose sum is σ = 1027477360. Its totient is φ = 101618496.

The previous prime is 355664977. The next prime is 355664989. The reversal of 355664988 is 889466553.

It is a happy number.

355664988 is a `hidden beast` number, since 3 + 556 + 6 + 4 + 9 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355664989) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 705433 + ... + 705936.

Almost surely, 2^355664988 is an apocalyptic number.

It is an amenable number.

355664988 is an abundant number, since it is smaller than the sum of its proper divisors (671812372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

355664988 is a wasteful number, since it uses less digits than its factorization.

355664988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411386 (or 1411381 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 54.

The square root of 355664988 is about 18859.0823742832. The cubic root of 355664988 is about 708.5117194945.

The spelling of 355664988 in words is "three hundred fifty-five million, six hundred sixty-four thousand, nine hundred eighty-eight".