26486138 has 16 divisors (see below), whose sum is σ = 45831744. Its totient is φ = 11244480.

The previous prime is 26486137. The next prime is 26486143. The reversal of 26486138 is 83168462.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (26486137) 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, 7343 + ... + 10338.

It is an arithmetic number, because the mean of its divisors is an integer number (2864484).

Almost surely, 2^26486138 is an apocalyptic number.

26486138 is a deficient number, since it is larger than the sum of its proper divisors (19345606).

26486138 is a wasteful number, since it uses less digits than its factorization.

26486138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17797.

The product of its digits is 55296, while the sum is 38.

The square root of 26486138 is about 5146.4684979119. The cubic root of 26486138 is about 298.0846042980.

The spelling of 26486138 in words is "twenty-six million, four hundred eighty-six thousand, one hundred thirty-eight".