28195334 has 4 divisors (see below), whose sum is σ = 42293004. Its totient is φ = 14097666.

The previous prime is 28195327. The next prime is 28195339. The reversal of 28195334 is 43359182.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 28195294 and 28195303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28195339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7048832 + ... + 7048835.

It is an arithmetic number, because the mean of its divisors is an integer number (10573251).

Almost surely, 2^28195334 is an apocalyptic number.

28195334 is a deficient number, since it is larger than the sum of its proper divisors (14097670).

28195334 is a wasteful number, since it uses less digits than its factorization.

28195334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14097669.

The product of its digits is 25920, while the sum is 35.

The square root of 28195334 is about 5309.9278714499. The cubic root of 28195334 is about 304.3633913299.

The spelling of 28195334 in words is "twenty-eight million, one hundred ninety-five thousand, three hundred thirty-four".