25967838 has 16 divisors (see below), whose sum is σ = 55930896. Its totient is φ = 7990080.

The previous prime is 25967803. The next prime is 25967839. The reversal of 25967838 is 83876952.

It is a super-2 number, since 2×25967838² = 1348657220788488, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25967839) 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, 166383 + ... + 166538.

It is an arithmetic number, because the mean of its divisors is an integer number (3495681).

Almost surely, 2^25967838 is an apocalyptic number.

25967838 is an abundant number, since it is smaller than the sum of its proper divisors (29963058).

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

25967838 is a wasteful number, since it uses less digits than its factorization.

25967838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332939.

The product of its digits is 725760, while the sum is 48.

The square root of 25967838 is about 5095.8647941247. The cubic root of 25967838 is about 296.1274028502.

The spelling of 25967838 in words is "twenty-five million, nine hundred sixty-seven thousand, eight hundred thirty-eight".