25894434 has 16 divisors (see below), whose sum is σ = 54835488. Its totient is φ = 8123712.

The previous prime is 25894409. The next prime is 25894457. The reversal of 25894434 is 43449852.

It is a junction number, because it is equal to n+sod(n) for n = 25894392 and 25894401.

It is an unprimeable number.

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, 126832 + ... + 127035.

It is an arithmetic number, because the mean of its divisors is an integer number (3427218).

Almost surely, 2^25894434 is an apocalyptic number.

25894434 is an abundant number, since it is smaller than the sum of its proper divisors (28941054).

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

25894434 is a wasteful number, since it uses less digits than its factorization.

25894434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253889.

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

The square root of 25894434 is about 5088.6573867770. The cubic root of 25894434 is about 295.8481157109.

The spelling of 25894434 in words is "twenty-five million, eight hundred ninety-four thousand, four hundred thirty-four".