28464052 has 24 divisors (see below), whose sum is σ = 55520640. Its totient is φ = 12689280.

The previous prime is 28464047. The next prime is 28464053. The reversal of 28464052 is 25046482.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28464053) 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 7 ways as a sum of consecutive naturals, for example, 9724 + ... + 12307.

It is an arithmetic number, because the mean of its divisors is an integer number (2313360).

Almost surely, 2^28464052 is an apocalyptic number.

It is an amenable number.

28464052 is a deficient number, since it is larger than the sum of its proper divisors (27056588).

28464052 is a wasteful number, since it uses less digits than its factorization.

28464052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22071 (or 22069 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 28464052 is about 5335.1712249936. The cubic root of 28464052 is about 305.3272560124.

The spelling of 28464052 in words is "twenty-eight million, four hundred sixty-four thousand, fifty-two".