355397388 has 12 divisors (see below), whose sum is σ = 829260600. Its totient is φ = 118465792.

The previous prime is 355397327. The next prime is 355397429. The reversal of 355397388 is 883793553.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 355397388.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14808213 + ... + 14808236.

It is an arithmetic number, because the mean of its divisors is an integer number (69105050).

Almost surely, 2^355397388 is an apocalyptic number.

It is an amenable number.

355397388 is an abundant number, since it is smaller than the sum of its proper divisors (473863212).

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

355397388 is a wasteful number, since it uses less digits than its factorization.

355397388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29616456 (or 29616454 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 51.

The square root of 355397388 is about 18851.9863144444. The cubic root of 355397388 is about 708.3339817234. Note that the first 3 decimals are identical.

The spelling of 355397388 in words is "three hundred fifty-five million, three hundred ninety-seven thousand, three hundred eighty-eight".