26156949 has 16 divisors (see below), whose sum is σ = 42924672. Its totient is φ = 13796928.

The previous prime is 26156941. The next prime is 26156971. The reversal of 26156949 is 94965162.

It is a happy number.

It is not a de Polignac number, because 26156949 - 2³ = 26156941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26156949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26156941) 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, 47634 + ... + 48179.

It is an arithmetic number, because the mean of its divisors is an integer number (2682792).

Almost surely, 2^26156949 is an apocalyptic number.

It is an amenable number.

26156949 is a deficient number, since it is larger than the sum of its proper divisors (16767723).

26156949 is a wasteful number, since it uses less digits than its factorization.

26156949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95836.

The product of its digits is 116640, while the sum is 42.

The square root of 26156949 is about 5114.3864734687. The cubic root of 26156949 is about 296.8445149713.

The spelling of 26156949 in words is "twenty-six million, one hundred fifty-six thousand, nine hundred forty-nine".