28395338 has 16 divisors (see below), whose sum is σ = 45246600. Its totient is φ = 13318656.

The previous prime is 28395299. The next prime is 28395347. The reversal of 28395338 is 83359382.

It can be written as a sum of positive squares in 4 ways, for example, as 23164969 + 5230369 = 4813^2 + 2287^2 .

It is a junction number, because it is equal to n+sod(n) for n = 28395295 and 28395304.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10670 + ... + 13062.

Almost surely, 2^28395338 is an apocalyptic number.

28395338 is a deficient number, since it is larger than the sum of its proper divisors (16851262).

28395338 is a wasteful number, since it uses less digits than its factorization.

28395338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2761.

The product of its digits is 155520, while the sum is 41.

The square root of 28395338 is about 5328.7276154820. The cubic root of 28395338 is about 305.0813650163.

The spelling of 28395338 in words is "twenty-eight million, three hundred ninety-five thousand, three hundred thirty-eight".