28528310 has 32 divisors (see below), whose sum is σ = 55092960. Its totient is φ = 10603008.

The previous prime is 28528309. The next prime is 28528351. The reversal of 28528310 is 1382582.

It is a super-2 number, since 2×28528310² = 1627728942912200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8654 + ... + 11486.

It is an arithmetic number, because the mean of its divisors is an integer number (1721655).

Almost surely, 2^28528310 is an apocalyptic number.

28528310 is a deficient number, since it is larger than the sum of its proper divisors (26564650).

28528310 is a wasteful number, since it uses less digits than its factorization.

28528310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2912.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 28528310 is about 5341.1899423256. The cubic root of 28528310 is about 305.5568435330.

The spelling of 28528310 in words is "twenty-eight million, five hundred twenty-eight thousand, three hundred ten".