233983990 has 8 divisors (see below), whose sum is σ = 421171200. Its totient is φ = 93593592.

The previous prime is 233983987. The next prime is 233984059. The reversal of 233983990 is 99389332.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 233983990.

It is a congruent number.

It is an unprimeable number.

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, 11699190 + ... + 11699209.

It is an arithmetic number, because the mean of its divisors is an integer number (52646400).

Almost surely, 2^233983990 is an apocalyptic number.

233983990 is a deficient number, since it is larger than the sum of its proper divisors (187187210).

233983990 is a wasteful number, since it uses less digits than its factorization.

233983990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23398406.

The product of its (nonzero) digits is 314928, while the sum is 46.

The square root of 233983990 is about 15296.5352286065. The cubic root of 233983990 is about 616.2099606845.

The spelling of 233983990 in words is "two hundred thirty-three million, nine hundred eighty-three thousand, nine hundred ninety".