28528364 has 6 divisors (see below), whose sum is σ = 49924644. Its totient is φ = 14264180.

The previous prime is 28528351. The next prime is 28528387. The reversal of 28528364 is 46382582.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3566042 + ... + 3566049.

It is an arithmetic number, because the mean of its divisors is an integer number (8320774).

Almost surely, 2^28528364 is an apocalyptic number.

It is an amenable number.

28528364 is a deficient number, since it is larger than the sum of its proper divisors (21396280).

28528364 is a wasteful number, since it uses less digits than its factorization.

28528364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7132095 (or 7132093 counting only the distinct ones).

The product of its digits is 92160, while the sum is 38.

The square root of 28528364 is about 5341.1949973765. The cubic root of 28528364 is about 305.5570363246.

The spelling of 28528364 in words is "twenty-eight million, five hundred twenty-eight thousand, three hundred sixty-four".