26993660 has 12 divisors (see below), whose sum is σ = 56686728. Its totient is φ = 10797456.

The previous prime is 26993657. The next prime is 26993669. The reversal of 26993660 is 6639962.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26993669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 674822 + ... + 674861.

It is an arithmetic number, because the mean of its divisors is an integer number (4723894).

Almost surely, 2^26993660 is an apocalyptic number.

26993660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26993660 is an abundant number, since it is smaller than the sum of its proper divisors (29693068).

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

26993660 is a wasteful number, since it uses less digits than its factorization.

26993660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349692 (or 1349690 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 41.

The square root of 26993660 is about 5195.5423201048. The cubic root of 26993660 is about 299.9765166803.

The spelling of 26993660 in words is "twenty-six million, nine hundred ninety-three thousand, six hundred sixty".