26917940 has 24 divisors (see below), whose sum is σ = 64603392. Its totient is φ = 9228960.

The previous prime is 26917939. The next prime is 26917949. The reversal of 26917940 is 4971962.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 26917894 and 26917903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26917949) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 95996 + ... + 96275.

It is an arithmetic number, because the mean of its divisors is an integer number (2691808).

Almost surely, 2^26917940 is an apocalyptic number.

26917940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26917940 is an abundant number, since it is smaller than the sum of its proper divisors (37685452).

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

26917940 is a wasteful number, since it uses less digits than its factorization.

26917940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192287 (or 192285 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 26917940 is about 5188.2501867200. The cubic root of 26917940 is about 299.6957656499.

The spelling of 26917940 in words is "twenty-six million, nine hundred seventeen thousand, nine hundred forty".