26947930 has 16 divisors (see below), whose sum is σ = 48857760. Its totient is φ = 10701072.

The previous prime is 26947891. The next prime is 26947933. The reversal of 26947930 is 3974962.

It is not an unprimeable number, because it can be changed into a prime (26947933) 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, 8304 + ... + 11083.

It is an arithmetic number, because the mean of its divisors is an integer number (3053610).

Almost surely, 2^26947930 is an apocalyptic number.

26947930 is a deficient number, since it is larger than the sum of its proper divisors (21909830).

26947930 is a wasteful number, since it uses less digits than its factorization.

26947930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19533.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 26947930 is about 5191.1395666077. The cubic root of 26947930 is about 299.8070240424.

The spelling of 26947930 in words is "twenty-six million, nine hundred forty-seven thousand, nine hundred thirty".