28853938 has 4 divisors (see below), whose sum is σ = 43280910. Its totient is φ = 14426968.

The previous prime is 28853933. The next prime is 28853939. The reversal of 28853938 is 83935882.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20403289 + 8450649 = 4517^2 + 2907^2 .

It is not an unprimeable number, because it can be changed into a prime (28853933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7213483 + ... + 7213486.

Almost surely, 2^28853938 is an apocalyptic number.

28853938 is a deficient number, since it is larger than the sum of its proper divisors (14426972).

28853938 is a wasteful number, since it uses less digits than its factorization.

28853938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14426971.

The product of its digits is 414720, while the sum is 46.

The square root of 28853938 is about 5371.5861717001. The cubic root of 28853938 is about 306.7150110194.

It can be divided in two parts, 28853 and 938, that added together give a cube (29791 = 31³).

The spelling of 28853938 in words is "twenty-eight million, eight hundred fifty-three thousand, nine hundred thirty-eight".