28207048 has 16 divisors (see below), whose sum is σ = 52950960. Its totient is φ = 14086800.

The previous prime is 28207043. The next prime is 28207079. The reversal of 28207048 is 84070282.

It is not an unprimeable number, because it can be changed into a prime (28207043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7863 + ... + 10873.

It is an arithmetic number, because the mean of its divisors is an integer number (3309435).

Almost surely, 2^28207048 is an apocalyptic number.

It is an amenable number.

28207048 is a deficient number, since it is larger than the sum of its proper divisors (24743912).

28207048 is a wasteful number, since it uses less digits than its factorization.

28207048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4188 (or 4184 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 28207048 is about 5311.0307850736. The cubic root of 28207048 is about 304.4055356452.

The spelling of 28207048 in words is "twenty-eight million, two hundred seven thousand, forty-eight".