236828560 has 20 divisors (see below), whose sum is σ = 550626588. Its totient is φ = 94731392.

The previous prime is 236828533. The next prime is 236828567. The reversal of 236828560 is 65828632.

It can be written as a sum of positive squares in 2 ways, for example, as 25765776 + 211062784 = 5076^2 + 14528^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (236828567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1480099 + ... + 1480258.

Almost surely, 2^236828560 is an apocalyptic number.

236828560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

236828560 is an abundant number, since it is smaller than the sum of its proper divisors (313798028).

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

236828560 is a wasteful number, since it uses less digits than its factorization.

236828560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2960370 (or 2960364 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 236828560 is about 15389.2351986705. The cubic root of 236828560 is about 618.6970208014.

The spelling of 236828560 in words is "two hundred thirty-six million, eight hundred twenty-eight thousand, five hundred sixty".