26428386 has 8 divisors (see below), whose sum is σ = 52856784. Its totient is φ = 8809460.

The previous prime is 26428379. The next prime is 26428393. The reversal of 26428386 is 68382462.

It is an interprime number because it is at equal distance from previous prime (26428379) and next prime (26428393).

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

26428386 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2202360 + ... + 2202371.

It is an arithmetic number, because the mean of its divisors is an integer number (6607098).

Almost surely, 2^26428386 is an apocalyptic number.

26428386 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

26428386 is a wasteful number, since it uses less digits than its factorization.

26428386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4404736.

The product of its digits is 110592, while the sum is 39.

The square root of 26428386 is about 5140.8545982161. The cubic root of 26428386 is about 297.8677926530.

The spelling of 26428386 in words is "twenty-six million, four hundred twenty-eight thousand, three hundred eighty-six".