235285398 has 40 divisors (see below), whose sum is σ = 554968920. Its totient is φ = 74299680.

The previous prime is 235285397. The next prime is 235285399. The reversal of 235285398 is 893582532.

235285398 is a `hidden beast` number, since 235 + 28 + 5 + 398 = 666.

It is an interprime number because it is at equal distance from previous prime (235285397) and next prime (235285399).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235285397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 35143 + ... + 41298.

It is an arithmetic number, because the mean of its divisors is an integer number (13874223).

Almost surely, 2^235285398 is an apocalyptic number.

235285398 is an abundant number, since it is smaller than the sum of its proper divisors (319683522).

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

235285398 is a wasteful number, since it uses less digits than its factorization.

235285398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76474 (or 76465 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 235285398 is about 15339.0155485937. The cubic root of 235285398 is about 617.3502927849.

The spelling of 235285398 in words is "two hundred thirty-five million, two hundred eighty-five thousand, three hundred ninety-eight".