26958949 has 4 divisors (see below), whose sum is σ = 26985420. Its totient is φ = 26932480.

The previous prime is 26958947. The next prime is 26958959. The reversal of 26958949 is 94985962.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9108324 + 17850625 = 3018^2 + 4225^2 .

It is a cyclic number.

It is not a de Polignac number, because 26958949 - 2¹ = 26958947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26958896 and 26958905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26958947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11644 + ... + 13765.

It is an arithmetic number, because the mean of its divisors is an integer number (6746355).

Almost surely, 2^26958949 is an apocalyptic number.

It is an amenable number.

26958949 is a deficient number, since it is larger than the sum of its proper divisors (26471).

26958949 is a wasteful number, since it uses less digits than its factorization.

26958949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26470.

The product of its digits is 1399680, while the sum is 52.

The square root of 26958949 is about 5192.2007857940. The cubic root of 26958949 is about 299.8478821395.

The spelling of 26958949 in words is "twenty-six million, nine hundred fifty-eight thousand, nine hundred forty-nine".