233853438 has 32 divisors (see below), whose sum is σ = 575640576. Its totient is φ = 61675488.

The previous prime is 233853407. The next prime is 233853467. The reversal of 233853438 is 834358332.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 233853396 and 233853405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213606 + ... + 214697.

It is an arithmetic number, because the mean of its divisors is an integer number (17988768).

Almost surely, 2^233853438 is an apocalyptic number.

233853438 is an abundant number, since it is smaller than the sum of its proper divisors (341787138).

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

233853438 is a wasteful number, since it uses less digits than its factorization.

233853438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428328.

The product of its digits is 207360, while the sum is 39.

The square root of 233853438 is about 15292.2672615934. The cubic root of 233853438 is about 616.0953340251.

The spelling of 233853438 in words is "two hundred thirty-three million, eight hundred fifty-three thousand, four hundred thirty-eight".