28052038 has 16 divisors (see below), whose sum is σ = 48188160. Its totient is φ = 11997576.

The previous prime is 28051981. The next prime is 28052047. The reversal of 28052038 is 83025082.

It is a junction number, because it is equal to n+sod(n) for n = 28051997 and 28052015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6103 + ... + 9661.

It is an arithmetic number, because the mean of its divisors is an integer number (3011760).

Almost surely, 2^28052038 is an apocalyptic number.

28052038 is a deficient number, since it is larger than the sum of its proper divisors (20136122).

28052038 is a wasteful number, since it uses less digits than its factorization.

28052038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4131.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 28052038 is about 5296.4174684403. The cubic root of 28052038 is about 303.8468974563.

The spelling of 28052038 in words is "twenty-eight million, fifty-two thousand, thirty-eight".