235668387 has 16 divisors (see below), whose sum is σ = 324237312. Its totient is φ = 152175360.

The previous prime is 235668379. The next prime is 235668403. The reversal of 235668387 is 783866532.

It is not a de Polignac number, because 235668387 - 2³ = 235668379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (235668347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5062 + ... + 22292.

It is an arithmetic number, because the mean of its divisors is an integer number (20264832).

Almost surely, 2^235668387 is an apocalyptic number.

235668387 is a deficient number, since it is larger than the sum of its proper divisors (88568925).

235668387 is a wasteful number, since it uses less digits than its factorization.

235668387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17378.

The product of its digits is 1451520, while the sum is 48.

The square root of 235668387 is about 15351.4946177888. The cubic root of 235668387 is about 617.6850779729.

The spelling of 235668387 in words is "two hundred thirty-five million, six hundred sixty-eight thousand, three hundred eighty-seven".