25628386 has 8 divisors (see below), whose sum is σ = 43934400. Its totient is φ = 10983588.

The previous prime is 25628377. The next prime is 25628389. The reversal of 25628386 is 68382652.

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

It is not an unprimeable number, because it can be changed into a prime (25628389) 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, 915286 + ... + 915313.

It is an arithmetic number, because the mean of its divisors is an integer number (5491800).

Almost surely, 2^25628386 is an apocalyptic number.

25628386 is a deficient number, since it is larger than the sum of its proper divisors (18306014).

25628386 is a wasteful number, since it uses less digits than its factorization.

25628386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830608.

The product of its digits is 138240, while the sum is 40.

The square root of 25628386 is about 5062.4486170232. The cubic root of 25628386 is about 294.8314118600.

The spelling of 25628386 in words is "twenty-five million, six hundred twenty-eight thousand, three hundred eighty-six".