28195736 has 8 divisors (see below), whose sum is σ = 52867020. Its totient is φ = 14097864.

The previous prime is 28195729. The next prime is 28195751. The reversal of 28195736 is 63759182.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 28195693 and 28195702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1762226 + ... + 1762241.

Almost surely, 2^28195736 is an apocalyptic number.

It is an amenable number.

28195736 is a deficient number, since it is larger than the sum of its proper divisors (24671284).

28195736 is a wasteful number, since it uses less digits than its factorization.

28195736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3524473 (or 3524469 counting only the distinct ones).

The product of its digits is 90720, while the sum is 41.

The square root of 28195736 is about 5309.9657249365. The cubic root of 28195736 is about 304.3648378282.

The spelling of 28195736 in words is "twenty-eight million, one hundred ninety-five thousand, seven hundred thirty-six".