26693028 has 18 divisors (see below), whose sum is σ = 67474134. Its totient is φ = 8897664.

The previous prime is 26693027. The next prime is 26693047. The reversal of 26693028 is 82039662.

It can be written as a sum of positive squares in only one way, i.e., 24029604 + 2663424 = 4902^2 + 1632^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 741473 = 26693028 / (2 + 6 + 6 + 9 + 3 + 0 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 26692983 and 26693001.

It is not an unprimeable number, because it can be changed into a prime (26693027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 370701 + ... + 370772.

It is an arithmetic number, because the mean of its divisors is an integer number (3748563).

Almost surely, 2^26693028 is an apocalyptic number.

It is an amenable number.

26693028 is an abundant number, since it is smaller than the sum of its proper divisors (40781106).

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

26693028 is a wasteful number, since it uses less digits than its factorization.

26693028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741483 (or 741478 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 26693028 is about 5166.5295895794. The cubic root of 26693028 is about 298.8587305188.

The spelling of 26693028 in words is "twenty-six million, six hundred ninety-three thousand, twenty-eight".