26920004 has 24 divisors (see below), whose sum is σ = 48988800. Its totient is φ = 12928160.

The previous prime is 26919983. The next prime is 26920007. The reversal of 26920004 is 40002962.

It is not an unprimeable number, because it can be changed into a prime (26920007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27239 + ... + 28209.

It is an arithmetic number, because the mean of its divisors is an integer number (2041200).

Almost surely, 2^26920004 is an apocalyptic number.

It is an amenable number.

26920004 is a deficient number, since it is larger than the sum of its proper divisors (22068796).

26920004 is a wasteful number, since it uses less digits than its factorization.

26920004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243 (or 1241 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 26920004 is about 5188.4490939008. The cubic root of 26920004 is about 299.7034254269.

Adding to 26920004 its reverse (40002962), we get a palindrome (66922966).

The spelling of 26920004 in words is "twenty-six million, nine hundred twenty thousand, four".