28375276 has 6 divisors (see below), whose sum is σ = 49656740. Its totient is φ = 14187636.

The previous prime is 28375201. The next prime is 28375279. The reversal of 28375276 is 67257382.

It is not an unprimeable number, because it can be changed into a prime (28375279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3546906 + ... + 3546913.

Almost surely, 2^28375276 is an apocalyptic number.

It is an amenable number.

28375276 is a deficient number, since it is larger than the sum of its proper divisors (21281464).

28375276 is a wasteful number, since it uses less digits than its factorization.

28375276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7093823 (or 7093821 counting only the distinct ones).

The product of its digits is 141120, while the sum is 40.

The square root of 28375276 is about 5326.8448447463. The cubic root of 28375276 is about 305.0094989427.

The spelling of 28375276 in words is "twenty-eight million, three hundred seventy-five thousand, two hundred seventy-six".