28051832 has 8 divisors (see below), whose sum is σ = 52597200. Its totient is φ = 14025912.

The previous prime is 28051823. The next prime is 28051861. The reversal of 28051832 is 23815082.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 28051795 and 28051804.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1753232 + ... + 1753247.

It is an arithmetic number, because the mean of its divisors is an integer number (6574650).

Almost surely, 2^28051832 is an apocalyptic number.

It is an amenable number.

28051832 is a deficient number, since it is larger than the sum of its proper divisors (24545368).

28051832 is a wasteful number, since it uses less digits than its factorization.

28051832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3506485 (or 3506481 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 28051832 is about 5296.3980212971. The cubic root of 28051832 is about 303.8461536884.

The spelling of 28051832 in words is "twenty-eight million, fifty-one thousand, eight hundred thirty-two".