28469952 has 168 divisors, whose sum is σ = 97633536. Its totient is φ = 7755264.

The previous prime is 28469939. The next prime is 28469953. The reversal of 28469952 is 25996482.

It is a tau number, because it is divible by the number of its divisors (168).

It is a junction number, because it is equal to n+sod(n) for n = 28469898 and 28469907.

It is not an unprimeable number, because it can be changed into a prime (28469953) 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 23 ways as a sum of consecutive naturals, for example, 92583 + ... + 92889.

It is an arithmetic number, because the mean of its divisors is an integer number (581152).

Almost surely, 2^28469952 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 28469952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48816768).

28469952 is an abundant number, since it is smaller than the sum of its proper divisors (69163584).

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

28469952 is a wasteful number, since it uses less digits than its factorization.

28469952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355 (or 342 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 28469952 is about 5335.7241307999. The cubic root of 28469952 is about 305.3483505302.

The spelling of 28469952 in words is "twenty-eight million, four hundred sixty-nine thousand, nine hundred fifty-two".