26880684 has 12 divisors (see below), whose sum is σ = 62721624. Its totient is φ = 8960224.

The previous prime is 26880683. The next prime is 26880691. The reversal of 26880684 is 48608862.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (26880683) 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, 1120017 + ... + 1120040.

It is an arithmetic number, because the mean of its divisors is an integer number (5226802).

Almost surely, 2^26880684 is an apocalyptic number.

It is an amenable number.

26880684 is an abundant number, since it is smaller than the sum of its proper divisors (35840940).

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

26880684 is a wasteful number, since it uses less digits than its factorization.

26880684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2240064 (or 2240062 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

The square root of 26880684 is about 5184.6585229888. The cubic root of 26880684 is about 299.5574363346.

The spelling of 26880684 in words is "twenty-six million, eight hundred eighty thousand, six hundred eighty-four".