25944834 has 16 divisors (see below), whose sum is σ = 52367040. Its totient is φ = 8568720.

The previous prime is 25944833. The next prime is 25944871. The reversal of 25944834 is 43844952.

It is a super-2 number, since 2×25944834² = 1346268822575112, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25944792 and 25944801.

It is not an unprimeable number, because it can be changed into a prime (25944833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19182 + ... + 20489.

It is an arithmetic number, because the mean of its divisors is an integer number (3272940).

Almost surely, 2^25944834 is an apocalyptic number.

25944834 is an abundant number, since it is smaller than the sum of its proper divisors (26422206).

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

25944834 is a wasteful number, since it uses less digits than its factorization.

25944834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39785.

The product of its digits is 138240, while the sum is 39.

The square root of 25944834 is about 5093.6071697766. The cubic root of 25944834 is about 296.0399340448.

The spelling of 25944834 in words is "twenty-five million, nine hundred forty-four thousand, eight hundred thirty-four".