25683684 has 48 divisors (see below), whose sum is σ = 65620800. Its totient is φ = 7770240.

The previous prime is 25683677. The next prime is 25683689. The reversal of 25683684 is 48638652.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25683689) 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, 8167 + ... + 10865.

It is an arithmetic number, because the mean of its divisors is an integer number (1367100).

Almost surely, 2^25683684 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 25683684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32810400).

25683684 is an abundant number, since it is smaller than the sum of its proper divisors (39937116).

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

25683684 is a wasteful number, since it uses less digits than its factorization.

25683684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2780 (or 2778 counting only the distinct ones).

The product of its digits is 276480, while the sum is 42.

The square root of 25683684 is about 5067.9072603985. The cubic root of 25683684 is about 295.0433106955.

The spelling of 25683684 in words is "twenty-five million, six hundred eighty-three thousand, six hundred eighty-four".