235855428 has 24 divisors (see below), whose sum is σ = 551244288. Its totient is φ = 78487776.

The previous prime is 235855423. The next prime is 235855453. The reversal of 235855428 is 824558532.

It is a happy number.

235855428 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 235855428.

It is not an unprimeable number, because it can be changed into a prime (235855423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8676 + ... + 23387.

It is an arithmetic number, because the mean of its divisors is an integer number (22968512).

Almost surely, 2^235855428 is an apocalyptic number.

It is an amenable number.

235855428 is an abundant number, since it is smaller than the sum of its proper divisors (315388860).

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

235855428 is a wasteful number, since it uses less digits than its factorization.

235855428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32683 (or 32681 counting only the distinct ones).

The product of its digits is 384000, while the sum is 42.

The square root of 235855428 is about 15357.5853570801. The cubic root of 235855428 is about 617.8484457811.

The spelling of 235855428 in words is "two hundred thirty-five million, eight hundred fifty-five thousand, four hundred twenty-eight".