28489410 has 48 divisors (see below), whose sum is σ = 77298624. Its totient is φ = 7266336.

The previous prime is 28489393. The next prime is 28489411. The reversal of 28489410 is 1498482.

It is not an unprimeable number, because it can be changed into a prime (28489411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4812 + ... + 8951.

It is an arithmetic number, because the mean of its divisors is an integer number (1610388).

Almost surely, 2^28489410 is an apocalyptic number.

28489410 is an abundant number, since it is smaller than the sum of its proper divisors (48809214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28489410 is a wasteful number, since it uses less digits than its factorization.

28489410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13799 (or 13796 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 28489410 is about 5337.5471894869. The cubic root of 28489410 is about 305.4178988870.

The spelling of 28489410 in words is "twenty-eight million, four hundred eighty-nine thousand, four hundred ten".