233681064 has 64 divisors (see below), whose sum is σ = 597542400. Its totient is φ = 76131264.

The previous prime is 233681047. The next prime is 233681087. The reversal of 233681064 is 460186332.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321069 + ... + 321795.

It is an arithmetic number, because the mean of its divisors is an integer number (9336600).

Almost surely, 2^233681064 is an apocalyptic number.

233681064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 233681064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298771200).

233681064 is an abundant number, since it is smaller than the sum of its proper divisors (363861336).

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

233681064 is a wasteful number, since it uses less digits than its factorization.

233681064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022 (or 1018 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 233681064 is about 15286.6302369096. The cubic root of 233681064 is about 615.9439216392.

The spelling of 233681064 in words is "two hundred thirty-three million, six hundred eighty-one thousand, sixty-four".