25828384 has 48 divisors (see below), whose sum is σ = 52676568. Its totient is φ = 12460032.

The previous prime is 25828373. The next prime is 25828393. The reversal of 25828384 is 48382852.

It can be written as a sum of positive squares in 4 ways, for example, as 21715600 + 4112784 = 4660^2 + 2028^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164434 + ... + 164590.

Almost surely, 2^25828384 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 25828384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26338284).

25828384 is an abundant number, since it is smaller than the sum of its proper divisors (26848184).

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

25828384 is a wasteful number, since it uses less digits than its factorization.

25828384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317 (or 309 counting only the distinct ones).

The product of its digits is 122880, while the sum is 40.

The square root of 25828384 is about 5082.1633189027. The cubic root of 25828384 is about 295.5963575389.

The spelling of 25828384 in words is "twenty-five million, eight hundred twenty-eight thousand, three hundred eighty-four".