25786296 has 64 divisors (see below), whose sum is σ = 73958400. Its totient is φ = 8316000.

The previous prime is 25786291. The next prime is 25786309. The reversal of 25786296 is 69268752.

It is a super-2 number, since 2×25786296² = 1329866122799232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25786291) 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, 4771 + ... + 8621.

It is an arithmetic number, because the mean of its divisors is an integer number (1155600).

Almost surely, 2^25786296 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 25786296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36979200).

25786296 is an abundant number, since it is smaller than the sum of its proper divisors (48172104).

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

25786296 is a wasteful number, since it uses less digits than its factorization.

25786296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3897 (or 3887 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 25786296 is about 5078.0208743171. The cubic root of 25786296 is about 295.4357096861.

The spelling of 25786296 in words is "twenty-five million, seven hundred eighty-six thousand, two hundred ninety-six".