235239980 has 24 divisors (see below), whose sum is σ = 496571712. Its totient is φ = 93606912.

The previous prime is 235239947. The next prime is 235239989. The reversal of 235239980 is 89932532.

It is not an unprimeable number, because it can be changed into a prime (235239989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26612 + ... + 34331.

It is an arithmetic number, because the mean of its divisors is an integer number (20690488).

Almost surely, 2^235239980 is an apocalyptic number.

235239980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

235239980 is an abundant number, since it is smaller than the sum of its proper divisors (261331732).

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

235239980 is a wasteful number, since it uses less digits than its factorization.

235239980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61145 (or 61143 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 235239980 is about 15337.5350040350. The cubic root of 235239980 is about 617.3105671012.

The spelling of 235239980 in words is "two hundred thirty-five million, two hundred thirty-nine thousand, nine hundred eighty".