26869090 has 16 divisors (see below), whose sum is σ = 48569400. Its totient is φ = 10702080.

The previous prime is 26869081. The next prime is 26869099. The reversal of 26869090 is 9096862.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (26869081) and next prime (26869099).

It can be written as a sum of positive squares in 4 ways, for example, as 22155849 + 4713241 = 4707^2 + 2171^2 .

It is not an unprimeable number, because it can be changed into a prime (26869099) 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, 3165 + ... + 7984.

Almost surely, 2^26869090 is an apocalyptic number.

26869090 is a deficient number, since it is larger than the sum of its proper divisors (21700310).

26869090 is a wasteful number, since it uses less digits than its factorization.

26869090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11397.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 26869090 is about 5183.5402959753. The cubic root of 26869090 is about 299.5143624262.

The spelling of 26869090 in words is "twenty-six million, eight hundred sixty-nine thousand, ninety".