28935012 has 48 divisors (see below), whose sum is σ = 72196992. Its totient is φ = 8997120.

The previous prime is 28935007. The next prime is 28935017. The reversal of 28935012 is 21053982.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28935007) and next prime (28935017).

It is not an unprimeable number, because it can be changed into a prime (28935017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10038 + ... + 12594.

It is an arithmetic number, because the mean of its divisors is an integer number (1504104).

Almost surely, 2^28935012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28935012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36098496).

28935012 is an abundant number, since it is smaller than the sum of its proper divisors (43261980).

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

28935012 is a wasteful number, since it uses less digits than its factorization.

28935012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2628 (or 2626 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 28935012 is about 5379.1274385350. The cubic root of 28935012 is about 307.0020123866.

Adding to 28935012 its reverse (21053982), we get a palindrome (49988994).

The spelling of 28935012 in words is "twenty-eight million, nine hundred thirty-five thousand, twelve".