28343652 has 24 divisors (see below), whose sum is σ = 66880800. Its totient is φ = 9341376.

The previous prime is 28343647. The next prime is 28343657. The reversal of 28343652 is 25634382.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28343647) and next prime (28343657).

It is not an unprimeable number, because it can be changed into a prime (28343657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12202 + ... + 14337.

It is an arithmetic number, because the mean of its divisors is an integer number (2786700).

Almost surely, 2^28343652 is an apocalyptic number.

It is an amenable number.

28343652 is an abundant number, since it is smaller than the sum of its proper divisors (38537148).

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

28343652 is a wasteful number, since it uses less digits than its factorization.

28343652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26635 (or 26633 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The square root of 28343652 is about 5323.8756559484. The cubic root of 28343652 is about 304.8961466716.

The spelling of 28343652 in words is "twenty-eight million, three hundred forty-three thousand, six hundred fifty-two".