28487546 has 16 divisors (see below), whose sum is σ = 46210176. Its totient is φ = 13119936.

The previous prime is 28487533. The next prime is 28487551. The reversal of 28487546 is 64578482.

It is a junction number, because it is equal to n+sod(n) for n = 28487497 and 28487506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7316 + ... + 10511.

It is an arithmetic number, because the mean of its divisors is an integer number (2888136).

Almost surely, 2^28487546 is an apocalyptic number.

28487546 is a deficient number, since it is larger than the sum of its proper divisors (17722630).

28487546 is a wasteful number, since it uses less digits than its factorization.

28487546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17893.

The product of its digits is 430080, while the sum is 44.

The square root of 28487546 is about 5337.3725745914. The cubic root of 28487546 is about 305.4112377993.

The spelling of 28487546 in words is "twenty-eight million, four hundred eighty-seven thousand, five hundred forty-six".