28966490 has 16 divisors (see below), whose sum is σ = 59588352. Its totient is φ = 9931344.

The previous prime is 28966471. The next prime is 28966517. The reversal of 28966490 is 9466982.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206834 + ... + 206973.

It is an arithmetic number, because the mean of its divisors is an integer number (3724272).

Almost surely, 2^28966490 is an apocalyptic number.

28966490 is an abundant number, since it is smaller than the sum of its proper divisors (30621862).

28966490 is a wasteful number, since it uses less digits than its factorization.

28966490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413821.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 28966490 is about 5382.0525824262. The cubic root of 28966490 is about 307.1132997903.

The spelling of 28966490 in words is "twenty-eight million, nine hundred sixty-six thousand, four hundred ninety".