355616638 has 8 divisors (see below), whose sum is σ = 574457688. Its totient is φ = 164130744.

The previous prime is 355616633. The next prime is 355616663. The reversal of 355616638 is 836616553.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 355616594 and 355616603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355616633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6838756 + ... + 6838807.

It is an arithmetic number, because the mean of its divisors is an integer number (71807211).

Almost surely, 2^355616638 is an apocalyptic number.

355616638 is a deficient number, since it is larger than the sum of its proper divisors (218841050).

355616638 is a wasteful number, since it uses less digits than its factorization.

355616638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13677578.

The product of its digits is 388800, while the sum is 43.

The square root of 355616638 is about 18857.8004549841. The cubic root of 355616638 is about 708.4796124132.

The spelling of 355616638 in words is "three hundred fifty-five million, six hundred sixteen thousand, six hundred thirty-eight".