26820028 has 12 divisors (see below), whose sum is σ = 46977840. Its totient is φ = 13397792.

The previous prime is 26820019. The next prime is 26820097. The reversal of 26820028 is 82002862.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 26819978 and 26820005.

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, 3393 + ... + 8071.

It is an arithmetic number, because the mean of its divisors is an integer number (3914820).

Almost surely, 2^26820028 is an apocalyptic number.

It is an amenable number.

26820028 is a deficient number, since it is larger than the sum of its proper divisors (20157812).

26820028 is a wasteful number, since it uses less digits than its factorization.

26820028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6116 (or 6114 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 26820028 is about 5178.8056538163. The cubic root of 26820028 is about 299.3319505075.

The spelling of 26820028 in words is "twenty-six million, eight hundred twenty thousand, twenty-eight".