28016464 has 20 divisors (see below), whose sum is σ = 62036704. Its totient is φ = 12007008.

The previous prime is 28016441. The next prime is 28016477. The reversal of 28016464 is 46461082.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124962 + ... + 125185.

Almost surely, 2^28016464 is an apocalyptic number.

It is an amenable number.

28016464 is an abundant number, since it is smaller than the sum of its proper divisors (34020240).

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

28016464 is a wasteful number, since it uses less digits than its factorization.

28016464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250162 (or 250156 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 28016464 is about 5293.0580952791. The cubic root of 28016464 is about 303.7184026699.

The spelling of 28016464 in words is "twenty-eight million, sixteen thousand, four hundred sixty-four".