28196932 has 12 divisors (see below), whose sum is σ = 51046380. Its totient is φ = 13612256.

The previous prime is 28196911. The next prime is 28196933. The reversal of 28196932 is 23969182.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16128256 + 12068676 = 4016^2 + 3474^2 .

It is not an unprimeable number, because it can be changed into a prime (28196933) 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, 121423 + ... + 121654.

It is an arithmetic number, because the mean of its divisors is an integer number (4253865).

Almost surely, 2^28196932 is an apocalyptic number.

It is an amenable number.

28196932 is a deficient number, since it is larger than the sum of its proper divisors (22849448).

28196932 is a wasteful number, since it uses less digits than its factorization.

28196932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243110 (or 243108 counting only the distinct ones).

The product of its digits is 46656, while the sum is 40.

The square root of 28196932 is about 5310.0783421716. The cubic root of 28196932 is about 304.3691412590.

The spelling of 28196932 in words is "twenty-eight million, one hundred ninety-six thousand, nine hundred thirty-two".