26648646 has 8 divisors (see below), whose sum is σ = 53297304. Its totient is φ = 8882880.

The previous prime is 26648603. The next prime is 26648681. The reversal of 26648646 is 64684662.

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

26648646 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 26648598 and 26648607.

It is a congruent 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, 2220715 + ... + 2220726.

It is an arithmetic number, because the mean of its divisors is an integer number (6662163).

Almost surely, 2^26648646 is an apocalyptic number.

26648646 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.

26648646 is a wasteful number, since it uses less digits than its factorization.

26648646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4441446.

The product of its digits is 331776, while the sum is 42.

The square root of 26648646 is about 5162.2326565160. The cubic root of 26648646 is about 298.6930030210.

The spelling of 26648646 in words is "twenty-six million, six hundred forty-eight thousand, six hundred forty-six".