28053948 has 24 divisors (see below), whose sum is σ = 70494928. Its totient is φ = 8631936.

The previous prime is 28053941. The next prime is 28053979. The reversal of 28053948 is 84935082.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28053941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89761 + ... + 90072.

Almost surely, 2^28053948 is an apocalyptic number.

It is an amenable number.

28053948 is an abundant number, since it is smaller than the sum of its proper divisors (42440980).

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

28053948 is a wasteful number, since it uses less digits than its factorization.

28053948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179853 (or 179851 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 28053948 is about 5296.5977759313. The cubic root of 28053948 is about 303.8537933831.

The spelling of 28053948 in words is "twenty-eight million, fifty-three thousand, nine hundred forty-eight".