235281428 has 24 divisors (see below), whose sum is σ = 441225792. Its totient is φ = 109384064.

The previous prime is 235281391. The next prime is 235281451. The reversal of 235281428 is 824182532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15200 + ... + 26487.

It is an arithmetic number, because the mean of its divisors is an integer number (18384408).

Almost surely, 2^235281428 is an apocalyptic number.

It is an amenable number.

235281428 is a deficient number, since it is larger than the sum of its proper divisors (205944364).

235281428 is a wasteful number, since it uses less digits than its factorization.

235281428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41791 (or 41789 counting only the distinct ones).

The product of its digits is 30720, while the sum is 35.

The square root of 235281428 is about 15338.8861394822. The cubic root of 235281428 is about 617.3468205558.

The spelling of 235281428 in words is "two hundred thirty-five million, two hundred eighty-one thousand, four hundred twenty-eight".