28938762 has 32 divisors (see below), whose sum is σ = 64713600. Its totient is φ = 9585504.

The previous prime is 28938719. The next prime is 28938769. The reversal of 28938762 is 26783982.

It is not an unprimeable number, because it can be changed into a prime (28938769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7414 + ... + 10622.

It is an arithmetic number, because the mean of its divisors is an integer number (2022300).

Almost surely, 2^28938762 is an apocalyptic number.

28938762 is an abundant number, since it is smaller than the sum of its proper divisors (35774838).

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

28938762 is a wasteful number, since it uses less digits than its factorization.

28938762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3387 (or 3381 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 28938762 is about 5379.4759967863. The cubic root of 28938762 is about 307.0152743800.

The spelling of 28938762 in words is "twenty-eight million, nine hundred thirty-eight thousand, seven hundred sixty-two".