26690338 has 4 divisors (see below), whose sum is σ = 40035510. Its totient is φ = 13345168.

The previous prime is 26690297. The next prime is 26690371. The reversal of 26690338 is 83309662.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 25938649 + 751689 = 5093^2 + 867^2 .

It is a junction number, because it is equal to n+sod(n) for n = 26690297 and 26690306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6672583 + ... + 6672586.

Almost surely, 2^26690338 is an apocalyptic number.

26690338 is a deficient number, since it is larger than the sum of its proper divisors (13345172).

26690338 is a wasteful number, since it uses less digits than its factorization.

26690338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13345171.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 26690338 is about 5166.2692535330. The cubic root of 26690338 is about 298.8486909810.

It can be divided in two parts, 26690 and 338, that added together give a triangular number (27028 = T₂₃₂).

The spelling of 26690338 in words is "twenty-six million, six hundred ninety thousand, three hundred thirty-eight".