233929980 has 72 divisors (see below), whose sum is σ = 710892000. Its totient is φ = 62266752.

The previous prime is 233929931. The next prime is 233930017. The reversal of 233929980 is 89929332.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 23 ways as a sum of consecutive naturals, for example, 150246 + ... + 151794.

It is an arithmetic number, because the mean of its divisors is an integer number (9873500).

Almost surely, 2^233929980 is an apocalyptic number.

233929980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233929980 is an abundant number, since it is smaller than the sum of its proper divisors (476962020).

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

233929980 is a wasteful number, since it uses less digits than its factorization.

233929980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2403 (or 2398 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 233929980 is about 15294.7696942452. The cubic root of 233929980 is about 616.1625442479.

The spelling of 233929980 in words is "two hundred thirty-three million, nine hundred twenty-nine thousand, nine hundred eighty".