26985772 has 24 divisors (see below), whose sum is σ = 51674112. Its totient is φ = 12229200.

The previous prime is 26985767. The next prime is 26985787. The reversal of 26985772 is 27758962.

It is a super-3 number, since 3×26985772³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18253 + ... + 19675.

It is an arithmetic number, because the mean of its divisors is an integer number (2153088).

Almost surely, 2^26985772 is an apocalyptic number.

26985772 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

26985772 is a deficient number, since it is larger than the sum of its proper divisors (24688340).

26985772 is a wasteful number, since it uses less digits than its factorization.

26985772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1869 (or 1867 counting only the distinct ones).

The product of its digits is 423360, while the sum is 46.

The square root of 26985772 is about 5194.7831523558. The cubic root of 26985772 is about 299.9472944447.

The spelling of 26985772 in words is "twenty-six million, nine hundred eighty-five thousand, seven hundred seventy-two".