28863950 has 12 divisors (see below), whose sum is σ = 53687040. Its totient is φ = 11545560.

The previous prime is 28863941. The next prime is 28863953. The reversal of 28863950 is 5936882.

It is a junction number, because it is equal to n+sod(n) for n = 28863898 and 28863907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28863953) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 288590 + ... + 288689.

It is an arithmetic number, because the mean of its divisors is an integer number (4473920).

Almost surely, 2^28863950 is an apocalyptic number.

28863950 is a deficient number, since it is larger than the sum of its proper divisors (24823090).

28863950 is a wasteful number, since it uses less digits than its factorization.

28863950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577291 (or 577286 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 28863950 is about 5372.5180316124. The cubic root of 28863950 is about 306.7504824985.

The spelling of 28863950 in words is "twenty-eight million, eight hundred sixty-three thousand, nine hundred fifty".