235998720 has 120 divisors (see below), whose sum is σ = 817409736. Its totient is φ = 62926848.

The previous prime is 235998713. The next prime is 235998733. The reversal of 235998720 is 27899532.

It is a tau number, because it is divible by the number of its divisors (120).

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 polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17919 + ... + 28161.

Almost surely, 2^235998720 is an apocalyptic number.

235998720 is a gapful number since it is divisible by the number (20) 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 235998720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (408704868).

235998720 is an abundant number, since it is smaller than the sum of its proper divisors (581411016).

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

235998720 is a wasteful number, since it uses less digits than its factorization.

235998720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10272 (or 10253 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 235998720 is about 15362.2498352292. The cubic root of 235998720 is about 617.9735433422.

Subtracting from 235998720 its sum of digits (45), we obtain a triangular number (235998675 = T₂₁₇₂₅).

The spelling of 235998720 in words is "two hundred thirty-five million, nine hundred ninety-eight thousand, seven hundred twenty".