26946987 has 16 divisors (see below), whose sum is σ = 36605952. Its totient is φ = 17629920.

The previous prime is 26946971. The next prime is 26946991. The reversal of 26946987 is 78964962.

It is a happy number.

It is not a de Polignac number, because 26946987 - 2⁴ = 26946971 is a prime.

It is a super-3 number, since 3×26946987³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (26946937) 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, 40437 + ... + 41097.

It is an arithmetic number, because the mean of its divisors is an integer number (2287872).

Almost surely, 2^26946987 is an apocalyptic number.

26946987 is a deficient number, since it is larger than the sum of its proper divisors (9658965).

26946987 is a wasteful number, since it uses less digits than its factorization.

26946987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898.

The product of its digits is 1306368, while the sum is 51.

The square root of 26946987 is about 5191.0487379719. The cubic root of 26946987 is about 299.8035269114.

The spelling of 26946987 in words is "twenty-six million, nine hundred forty-six thousand, nine hundred eighty-seven".