25984266 has 48 divisors (see below), whose sum is σ = 65295552. Its totient is φ = 6747840.

The previous prime is 25984247. The next prime is 25984289. The reversal of 25984266 is 66248952.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2526 + ... + 7638.

It is an arithmetic number, because the mean of its divisors is an integer number (1360324).

Almost surely, 2^25984266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25984266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32647776).

25984266 is an abundant number, since it is smaller than the sum of its proper divisors (39311286).

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

25984266 is a wasteful number, since it uses less digits than its factorization.

25984266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5147 (or 5136 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 25984266 is about 5097.4764344723. The cubic root of 25984266 is about 296.1898359192.

The spelling of 25984266 in words is "twenty-five million, nine hundred eighty-four thousand, two hundred sixty-six".