236620128 has 24 divisors (see below), whose sum is σ = 621128088. Its totient is φ = 78873344.

The previous prime is 236620063. The next prime is 236620183. The reversal of 236620128 is 821026632.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-3 number, since 3×236620128³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 236620095 and 236620104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1232301 + ... + 1232492.

It is an arithmetic number, because the mean of its divisors is an integer number (25880337).

Almost surely, 2^236620128 is an apocalyptic number.

It is an amenable number.

236620128 is an abundant number, since it is smaller than the sum of its proper divisors (384507960).

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

236620128 is a wasteful number, since it uses less digits than its factorization.

236620128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2464806 (or 2464798 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 236620128 is about 15382.4617015613. The cubic root of 236620128 is about 618.5154631559.

The spelling of 236620128 in words is "two hundred thirty-six million, six hundred twenty thousand, one hundred twenty-eight".