25896646 has 8 divisors (see below), whose sum is σ = 39062520. Its totient is φ = 12875808.

The previous prime is 25896631. The next prime is 25896649. The reversal of 25896646 is 64669852.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 25896596 and 25896605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25896649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35811 + ... + 36526.

It is an arithmetic number, because the mean of its divisors is an integer number (4882815).

Almost surely, 2^25896646 is an apocalyptic number.

25896646 is a deficient number, since it is larger than the sum of its proper divisors (13165874).

25896646 is a wasteful number, since it uses less digits than its factorization.

25896646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72518.

The product of its digits is 622080, while the sum is 46.

The square root of 25896646 is about 5088.8747282675. The cubic root of 25896646 is about 295.8565396242.

The spelling of 25896646 in words is "twenty-five million, eight hundred ninety-six thousand, six hundred forty-six".