28542196 has 48 divisors (see below), whose sum is σ = 54286848. Its totient is φ = 13104000.

The previous prime is 28542193. The next prime is 28542203. The reversal of 28542196 is 69124582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28542193) 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 15 ways as a sum of consecutive naturals, for example, 282546 + ... + 282646.

It is an arithmetic number, because the mean of its divisors is an integer number (1130976).

Almost surely, 2^28542196 is an apocalyptic number.

It is an amenable number.

28542196 is a deficient number, since it is larger than the sum of its proper divisors (25744652).

28542196 is a wasteful number, since it uses less digits than its factorization.

28542196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232 (or 230 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 28542196 is about 5342.4896817869. The cubic root of 28542196 is about 305.6064115364.

It can be divided in two parts, 2854 and 2196, that added together give a triangular number (5050 = T₁₀₀).

The spelling of 28542196 in words is "twenty-eight million, five hundred forty-two thousand, one hundred ninety-six".