26308930 has 16 divisors (see below), whose sum is σ = 47676600. Its totient is φ = 10452352.

The previous prime is 26308907. The next prime is 26308943. The reversal of 26308930 is 3980362.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10220809 + 16088121 = 3197^2 + 4011^2 .

It is a junction number, because it is equal to n+sod(n) for n = 26308892 and 26308901.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7339 + ... + 10318.

Almost surely, 2^26308930 is an apocalyptic number.

26308930 is a deficient number, since it is larger than the sum of its proper divisors (21367670).

26308930 is a wasteful number, since it uses less digits than its factorization.

26308930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17813.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 26308930 is about 5129.2231380590. The cubic root of 26308930 is about 297.4183284508.

The spelling of 26308930 in words is "twenty-six million, three hundred eight thousand, nine hundred thirty".