28613952 has 112 divisors (see below), whose sum is σ = 87172800. Its totient is φ = 9192960.

The previous prime is 28613927. The next prime is 28613953. The reversal of 28613952 is 25931682.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28613953) 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 15 ways as a sum of consecutive naturals, for example, 49827 + ... + 50397.

Almost surely, 2^28613952 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 28613952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43586400).

28613952 is an abundant number, since it is smaller than the sum of its proper divisors (58558848).

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

28613952 is a wasteful number, since it uses less digits than its factorization.

28613952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621 (or 605 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 28613952 is about 5349.2010618409. The cubic root of 28613952 is about 305.8622986736.

The spelling of 28613952 in words is "twenty-eight million, six hundred thirteen thousand, nine hundred fifty-two".