28437052 has 36 divisors (see below), whose sum is σ = 59897880. Its totient is φ = 11764704.

The previous prime is 28437049. The next prime is 28437089. The reversal of 28437052 is 25073482.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3183 + ... + 8185.

It is an arithmetic number, because the mean of its divisors is an integer number (1663830).

Almost surely, 2^28437052 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 28437052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29948940).

28437052 is an abundant number, since it is smaller than the sum of its proper divisors (31460828).

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

28437052 is a wasteful number, since it uses less digits than its factorization.

28437052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5050 (or 5041 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 28437052 is about 5332.6402466321. The cubic root of 28437052 is about 305.2306845674.

The spelling of 28437052 in words is "twenty-eight million, four hundred thirty-seven thousand, fifty-two".