25994904 has 128 divisors (see below), whose sum is σ = 77112000. Its totient is φ = 7268352.

The previous prime is 25994897. The next prime is 25994911. The reversal of 25994904 is 40949952.

It is an interprime number because it is at equal distance from previous prime (25994897) and next prime (25994911).

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 896362 + ... + 896390.

Almost surely, 2^25994904 is an apocalyptic number.

25994904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25994904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38556000).

25994904 is an abundant number, since it is smaller than the sum of its proper divisors (51117096).

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

25994904 is a wasteful number, since it uses less digits than its factorization.

25994904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 25994904 is about 5098.5197851926. The cubic root of 25994904 is about 296.2302506018.

It can be divided in two parts, 2599 and 4904, that added together give a triangular number (7503 = T₁₂₂).

The spelling of 25994904 in words is "twenty-five million, nine hundred ninety-four thousand, nine hundred four".