28996338 has 24 divisors (see below), whose sum is σ = 67461552. Its totient is φ = 8284584.

The previous prime is 28996333. The next prime is 28996349. The reversal of 28996338 is 83369982.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28996333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49020 + ... + 49607.

It is an arithmetic number, because the mean of its divisors is an integer number (2810898).

Almost surely, 2^28996338 is an apocalyptic number.

28996338 is an abundant number, since it is smaller than the sum of its proper divisors (38465214).

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

28996338 is a wasteful number, since it uses less digits than its factorization.

28996338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98646 (or 98639 counting only the distinct ones).

The product of its digits is 559872, while the sum is 48.

The square root of 28996338 is about 5384.8247882359. The cubic root of 28996338 is about 307.2187500424.

The spelling of 28996338 in words is "twenty-eight million, nine hundred ninety-six thousand, three hundred thirty-eight".