235399828 has 6 divisors (see below), whose sum is σ = 411949706. Its totient is φ = 117699912.

The previous prime is 235399823. The next prime is 235399837. The reversal of 235399828 is 828993532.

235399828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 232928644 + 2471184 = 15262^2 + 1572^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235399823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29424975 + ... + 29424982.

Almost surely, 2^235399828 is an apocalyptic number.

It is an amenable number.

235399828 is a deficient number, since it is larger than the sum of its proper divisors (176549878).

235399828 is a wasteful number, since it uses less digits than its factorization.

235399828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58849961 (or 58849959 counting only the distinct ones).

The product of its digits is 933120, while the sum is 49.

The square root of 235399828 is about 15342.7451259545. The cubic root of 235399828 is about 617.4503584149.

The spelling of 235399828 in words is "two hundred thirty-five million, three hundred ninety-nine thousand, eight hundred twenty-eight".