28410912 has 120 divisors (see below), whose sum is σ = 85164156. Its totient is φ = 9289728.

The previous prime is 28410883. The next prime is 28410913. The reversal of 28410912 is 21901482.

It can be written as a sum of positive squares in 2 ways, for example, as 25040016 + 3370896 = 5004^2 + 1836^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (28410913) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 251368 + ... + 251480.

Almost surely, 2^28410912 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 28410912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42582078).

28410912 is an abundant number, since it is smaller than the sum of its proper divisors (56753244).

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

28410912 is a wasteful number, since it uses less digits than its factorization.

28410912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 28410912 is about 5330.1887396226. The cubic root of 28410912 is about 305.1371308464.

The spelling of 28410912 in words is "twenty-eight million, four hundred ten thousand, nine hundred twelve".