26860149 has 6 divisors (see below), whose sum is σ = 38798006. Its totient is φ = 17906760.

The previous prime is 26860147. The next prime is 26860151. The reversal of 26860149 is 94106862.

26860149 is a `hidden beast` number, since 2 + 6 + 8 + 601 + 49 = 666.

It is an interprime number because it is at equal distance from previous prime (26860147) and next prime (26860151).

It can be written as a sum of positive squares in only one way, i.e., 26780625 + 79524 = 5175^2 + 282^2 .

It is not a de Polignac number, because 26860149 - 2¹ = 26860147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26860147) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1492222 + ... + 1492239.

Almost surely, 2^26860149 is an apocalyptic number.

It is an amenable number.

26860149 is a deficient number, since it is larger than the sum of its proper divisors (11937857).

26860149 is a wasteful number, since it uses less digits than its factorization.

26860149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2984467 (or 2984464 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 26860149 is about 5182.6777827683. The cubic root of 26860149 is about 299.4811364528.

The spelling of 26860149 in words is "twenty-six million, eight hundred sixty thousand, one hundred forty-nine".