28953748 has 12 divisors (see below), whose sum is σ = 50712480. Its totient is φ = 14464472.

The previous prime is 28953733. The next prime is 28953761. The reversal of 28953748 is 84735982.

It is a junction number, because it is equal to n+sod(n) for n = 28953698 and 28953707.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3915 + ... + 8557.

It is an arithmetic number, because the mean of its divisors is an integer number (4226040).

Almost surely, 2^28953748 is an apocalyptic number.

It is an amenable number.

28953748 is a deficient number, since it is larger than the sum of its proper divisors (21758732).

28953748 is a wasteful number, since it uses less digits than its factorization.

28953748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6206 (or 6204 counting only the distinct ones).

The product of its digits is 483840, while the sum is 46.

The square root of 28953748 is about 5380.8687030999. The cubic root of 28953748 is about 307.0682614074.

The spelling of 28953748 in words is "twenty-eight million, nine hundred fifty-three thousand, seven hundred forty-eight".