28270448 has 10 divisors (see below), whose sum is σ = 54774024. Its totient is φ = 14135216.

The previous prime is 28270433. The next prime is 28270457. The reversal of 28270448 is 84407282.

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, 883436 + ... + 883467.

Almost surely, 2^28270448 is an apocalyptic number.

It is an amenable number.

28270448 is a deficient number, since it is larger than the sum of its proper divisors (26503576).

28270448 is a wasteful number, since it uses less digits than its factorization.

28270448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1766911 (or 1766905 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 35.

The square root of 28270448 is about 5316.9961444410. The cubic root of 28270448 is about 304.6334322277.

The spelling of 28270448 in words is "twenty-eight million, two hundred seventy thousand, four hundred forty-eight".