28849764 has 12 divisors (see below), whose sum is σ = 67316144. Its totient is φ = 9616584.

The previous prime is 28849759. The next prime is 28849783. The reversal of 28849764 is 46794882.

It is a tau number, because it is divible by the number of its divisors (12).

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, 1202062 + ... + 1202085.

Almost surely, 2^28849764 is an apocalyptic number.

It is an amenable number.

28849764 is an abundant number, since it is smaller than the sum of its proper divisors (38466380).

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

28849764 is a wasteful number, since it uses less digits than its factorization.

28849764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2404154 (or 2404152 counting only the distinct ones).

The product of its digits is 774144, while the sum is 48.

The square root of 28849764 is about 5371.1976318136. The cubic root of 28849764 is about 306.7002205462.

The spelling of 28849764 in words is "twenty-eight million, eight hundred forty-nine thousand, seven hundred sixty-four".