28957852 has 48 divisors (see below), whose sum is σ = 63705600. Its totient is φ = 11188800.

The previous prime is 28957823. The next prime is 28957853. The reversal of 28957852 is 25875982.

Its product of digits (403200) is a multiple of the sum of its prime divisors (800).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28957853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45577 + ... + 46207.

It is an arithmetic number, because the mean of its divisors is an integer number (1327200).

Almost surely, 2^28957852 is an apocalyptic number.

28957852 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28957852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31852800).

28957852 is an abundant number, since it is smaller than the sum of its proper divisors (34747748).

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

28957852 is a wasteful number, since it uses less digits than its factorization.

28957852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802 (or 800 counting only the distinct ones).

The product of its digits is 403200, while the sum is 46.

The square root of 28957852 is about 5381.2500406504. The cubic root of 28957852 is about 307.0827690123.

The spelling of 28957852 in words is "twenty-eight million, nine hundred fifty-seven thousand, eight hundred fifty-two".