233878399 has 4 divisors (see below), whose sum is σ = 234013120. Its totient is φ = 233743680.

The previous prime is 233878373. The next prime is 233878409. The reversal of 233878399 is 993878332.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 233878399 - 2⁹ = 233877887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233878339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64722 + ... + 68239.

It is an arithmetic number, because the mean of its divisors is an integer number (58503280).

Almost surely, 2^233878399 is an apocalyptic number.

233878399 is a deficient number, since it is larger than the sum of its proper divisors (134721).

233878399 is a wasteful number, since it uses less digits than its factorization.

233878399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134720.

The product of its digits is 1959552, while the sum is 52.

The square root of 233878399 is about 15293.0833712499. The cubic root of 233878399 is about 616.1172534641.

The spelling of 233878399 in words is "two hundred thirty-three million, eight hundred seventy-eight thousand, three hundred ninety-nine".