235897542 has 64 divisors (see below), whose sum is σ = 574257600. Its totient is φ = 71447040.

The previous prime is 235897511. The next prime is 235897561. The reversal of 235897542 is 245798532.

235897542 is a `hidden beast` number, since 23 + 5 + 89 + 7 + 542 = 666.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 22192 + ... + 31052.

It is an arithmetic number, because the mean of its divisors is an integer number (8972775).

Almost surely, 2^235897542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 235897542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287128800).

235897542 is an abundant number, since it is smaller than the sum of its proper divisors (338360058).

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

235897542 is a wasteful number, since it uses less digits than its factorization.

235897542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8918 (or 8912 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 235897542 is about 15358.9564098607. The cubic root of 235897542 is about 617.8852176306.

The spelling of 235897542 in words is "two hundred thirty-five million, eight hundred ninety-seven thousand, five hundred forty-two".