236428436 has 24 divisors (see below), whose sum is σ = 423618720. Its totient is φ = 115423200.

The previous prime is 236428433. The next prime is 236428447. The reversal of 236428436 is 634824632.

236428436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 236428436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (236428433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30431 + ... + 37401.

It is an arithmetic number, because the mean of its divisors is an integer number (17650780).

Almost surely, 2^236428436 is an apocalyptic number.

It is an amenable number.

236428436 is a deficient number, since it is larger than the sum of its proper divisors (187190284).

236428436 is a wasteful number, since it uses less digits than its factorization.

236428436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7175 (or 7173 counting only the distinct ones).

The product of its digits is 165888, while the sum is 38.

The square root of 236428436 is about 15376.2295768501. The cubic root of 236428436 is about 618.3483929818.

The spelling of 236428436 in words is "two hundred thirty-six million, four hundred twenty-eight thousand, four hundred thirty-six".