26920856 has 16 divisors (see below), whose sum is σ = 52671600. Its totient is φ = 12875104.

The previous prime is 26920847. The next prime is 26920871. The reversal of 26920856 is 65802962.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72971 + ... + 73338.

It is an arithmetic number, because the mean of its divisors is an integer number (3291975).

Almost surely, 2^26920856 is an apocalyptic number.

It is an amenable number.

26920856 is a deficient number, since it is larger than the sum of its proper divisors (25750744).

26920856 is a wasteful number, since it uses less digits than its factorization.

26920856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146338 (or 146334 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 26920856 is about 5188.5311987112. The cubic root of 26920856 is about 299.7065871974.

The spelling of 26920856 in words is "twenty-six million, nine hundred twenty thousand, eight hundred fifty-six".