26313890 has 16 divisors (see below), whose sum is σ = 48373632. Its totient is φ = 10301424.

The previous prime is 26313877. The next prime is 26313899. The reversal of 26313890 is 9831362.

It is not an unprimeable number, because it can be changed into a prime (26313899) 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, 27524 + ... + 28463.

It is an arithmetic number, because the mean of its divisors is an integer number (3023352).

Almost surely, 2^26313890 is an apocalyptic number.

26313890 is a deficient number, since it is larger than the sum of its proper divisors (22059742).

26313890 is a wasteful number, since it uses less digits than its factorization.

26313890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56041.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 26313890 is about 5129.7066192912. The cubic root of 26313890 is about 297.4370179505.

The spelling of 26313890 in words is "twenty-six million, three hundred thirteen thousand, eight hundred ninety".