26947149 has 16 divisors (see below), whose sum is σ = 38001600. Its totient is φ = 16937856.

The previous prime is 26947139. The next prime is 26947163. The reversal of 26947149 is 94174962.

It is not a de Polignac number, because 26947149 - 2¹² = 26943053 is a prime.

It is a super-2 number, since 2×26947149² = 1452297678456402, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 26947149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26947139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12267 + ... + 14295.

It is an arithmetic number, because the mean of its divisors is an integer number (2375100).

Almost surely, 2^26947149 is an apocalyptic number.

It is an amenable number.

26947149 is a deficient number, since it is larger than the sum of its proper divisors (11054451).

26947149 is a wasteful number, since it uses less digits than its factorization.

26947149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2284.

The product of its digits is 108864, while the sum is 42.

The square root of 26947149 is about 5191.0643417319. The cubic root of 26947149 is about 299.8041276969.

The spelling of 26947149 in words is "twenty-six million, nine hundred forty-seven thousand, one hundred forty-nine".