28611352 has 32 divisors (see below), whose sum is σ = 66885120. Its totient is φ = 11147040.

The previous prime is 28611311. The next prime is 28611353. The reversal of 28611352 is 25311682.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 28611352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28611353) 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 7 ways as a sum of consecutive naturals, for example, 22608 + ... + 23839.

It is an arithmetic number, because the mean of its divisors is an integer number (2090160).

Almost surely, 2^28611352 is an apocalyptic number.

28611352 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

28611352 is an abundant number, since it is smaller than the sum of its proper divisors (38273768).

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

28611352 is a wasteful number, since it uses less digits than its factorization.

28611352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46471 (or 46467 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 28611352 is about 5348.9580293736. The cubic root of 28611352 is about 305.8530343578.

The spelling of 28611352 in words is "twenty-eight million, six hundred eleven thousand, three hundred fifty-two".