26489146 has 12 divisors (see below), whose sum is σ = 41538042. Its totient is φ = 12668216.

The previous prime is 26489137. The next prime is 26489149. The reversal of 26489146 is 64198462.

It can be written as a sum of positive squares in only one way, i.e., 22667121 + 3822025 = 4761^2 + 1955^2 .

It is a junction number, because it is equal to n+sod(n) for n = 26489099 and 26489108.

It is not an unprimeable number, because it can be changed into a prime (26489149) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 11461 + ... + 13576.

Almost surely, 2^26489146 is an apocalyptic number.

26489146 is a deficient number, since it is larger than the sum of its proper divisors (15048896).

26489146 is a wasteful number, since it uses less digits than its factorization.

26489146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25085 (or 25062 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 26489146 is about 5146.7607288468. The cubic root of 26489146 is about 298.0958882452.

The spelling of 26489146 in words is "twenty-six million, four hundred eighty-nine thousand, one hundred forty-six".