28504682 has 16 divisors (see below), whose sum is σ = 47241792. Its totient is φ = 12830400.

The previous prime is 28504673. The next prime is 28504687. The reversal of 28504682 is 28640582.

It is a super-2 number, since 2×28504682² = 1625033791842248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28504687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17444 + ... + 19007.

It is an arithmetic number, because the mean of its divisors is an integer number (2952612).

Almost surely, 2^28504682 is an apocalyptic number.

28504682 is a deficient number, since it is larger than the sum of its proper divisors (18737110).

28504682 is a wasteful number, since it uses less digits than its factorization.

28504682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36493.

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 28504682 is about 5338.9776174845. The cubic root of 28504682 is about 305.4724631262.

The spelling of 28504682 in words is "twenty-eight million, five hundred four thousand, six hundred eighty-two".