25869396 has 24 divisors (see below), whose sum is σ = 68985280. Its totient is φ = 7391232.

The previous prime is 25869391. The next prime is 25869397. The reversal of 25869396 is 69396852.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25869391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153901 + ... + 154068.

Almost surely, 2^25869396 is an apocalyptic number.

It is an amenable number.

25869396 is an abundant number, since it is smaller than the sum of its proper divisors (43115884).

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

25869396 is a wasteful number, since it uses less digits than its factorization.

25869396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307983 (or 307981 counting only the distinct ones).

The product of its digits is 699840, while the sum is 48.

The square root of 25869396 is about 5086.1966143672. The cubic root of 25869396 is about 295.7527305548.

The spelling of 25869396 in words is "twenty-five million, eight hundred sixty-nine thousand, three hundred ninety-six".