26942920 has 16 divisors (see below), whose sum is σ = 60621660. Its totient is φ = 10777152.

The previous prime is 26942917. The next prime is 26942939. The reversal of 26942920 is 2924962.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 25583364 + 1359556 = 5058^2 + 1166^2 .

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, 336747 + ... + 336826.

Almost surely, 2^26942920 is an apocalyptic number.

26942920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26942920 is an abundant number, since it is smaller than the sum of its proper divisors (33678740).

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

26942920 is a wasteful number, since it uses less digits than its factorization.

26942920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673584 (or 673580 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 26942920 is about 5190.6569911717. The cubic root of 26942920 is about 299.7884434404.

The spelling of 26942920 in words is "twenty-six million, nine hundred forty-two thousand, nine hundred twenty".