26690814 has 36 divisors (see below), whose sum is σ = 59794488. Its totient is φ = 8604360.

The previous prime is 26690813. The next prime is 26690827. The reversal of 26690814 is 41809662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26690813) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 16527 + ... + 18069.

It is an arithmetic number, because the mean of its divisors is an integer number (1660958).

Almost surely, 2^26690814 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26690814, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29897244).

26690814 is an abundant number, since it is smaller than the sum of its proper divisors (33103674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26690814 is a wasteful number, since it uses less digits than its factorization.

26690814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613 (or 1579 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 26690814 is about 5166.3153213872. The cubic root of 26690814 is about 298.8504675431.

The spelling of 26690814 in words is "twenty-six million, six hundred ninety thousand, eight hundred fourteen".