235675638 has 36 divisors (see below), whose sum is σ = 557562564. Its totient is φ = 71351400.

The previous prime is 235675637. The next prime is 235675673. The reversal of 235675638 is 836576532.

235675638 is a `hidden beast` number, since 2 + 3 + 5 + 6 + 7 + 5 + 638 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 235675593 and 235675602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235675633) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 215473 + ... + 216563.

It is an arithmetic number, because the mean of its divisors is an integer number (15487849).

Almost surely, 2^235675638 is an apocalyptic number.

235675638 is an abundant number, since it is smaller than the sum of its proper divisors (321886926).

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

235675638 is a wasteful number, since it uses less digits than its factorization.

235675638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2201 (or 1107 counting only the distinct ones).

The product of its digits is 907200, while the sum is 45.

The square root of 235675638 is about 15351.7307819021. The cubic root of 235675638 is about 617.6914128468.

The spelling of 235675638 in words is "two hundred thirty-five million, six hundred seventy-five thousand, six hundred thirty-eight".