28957048 has 16 divisors (see below), whose sum is σ = 54366480. Its totient is φ = 14459328.

The previous prime is 28957039. The next prime is 28957057. The reversal of 28957048 is 84075982.

It is an interprime number because it is at equal distance from previous prime (28957039) and next prime (28957057).

It is a junction number, because it is equal to n+sod(n) for n = 28956995 and 28957013.

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, 5565 + ... + 9427.

It is an arithmetic number, because the mean of its divisors is an integer number (3397905).

Almost surely, 2^28957048 is an apocalyptic number.

It is an amenable number.

28957048 is a deficient number, since it is larger than the sum of its proper divisors (25409432).

28957048 is a wasteful number, since it uses less digits than its factorization.

28957048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4806 (or 4802 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 28957048 is about 5381.1753362997. The cubic root of 28957048 is about 307.0799269872.

The spelling of 28957048 in words is "twenty-eight million, nine hundred fifty-seven thousand, forty-eight".