26728394 has 16 divisors (see below), whose sum is σ = 49985856. Its totient is φ = 10413600.

The previous prime is 26728379. The next prime is 26728399. The reversal of 26728394 is 49382762.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (26728399) 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, 86627 + ... + 86934.

It is an arithmetic number, because the mean of its divisors is an integer number (3124116).

Almost surely, 2^26728394 is an apocalyptic number.

26728394 is a deficient number, since it is larger than the sum of its proper divisors (23257462).

26728394 is a wasteful number, since it uses less digits than its factorization.

26728394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173581.

The product of its digits is 145152, while the sum is 41.

The square root of 26728394 is about 5169.9510635982. The cubic root of 26728394 is about 298.9906597680.

The spelling of 26728394 in words is "twenty-six million, seven hundred twenty-eight thousand, three hundred ninety-four".