28911352 has 16 divisors (see below), whose sum is σ = 54439200. Its totient is φ = 14394240.

The previous prime is 28911329. The next prime is 28911353. The reversal of 28911352 is 25311982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28911353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5649 + ... + 9472.

It is an arithmetic number, because the mean of its divisors is an integer number (3402450).

Almost surely, 2^28911352 is an apocalyptic number.

It is an amenable number.

28911352 is a deficient number, since it is larger than the sum of its proper divisors (25527848).

28911352 is a wasteful number, since it uses less digits than its factorization.

28911352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15366 (or 15362 counting only the distinct ones).

The product of its digits is 4320, while the sum is 31.

The square root of 28911352 is about 5376.9277473293. The cubic root of 28911352 is about 306.9183116168.

The spelling of 28911352 in words is "twenty-eight million, nine hundred eleven thousand, three hundred fifty-two".