109009892 has 6 divisors (see below), whose sum is σ = 190767318. Its totient is φ = 54504944.

The previous prime is 109009889. The next prime is 109009907. The reversal of 109009892 is 298900901.

It can be written as a sum of positive squares in only one way, i.e., 98922916 + 10086976 = 9946^2 + 3176^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13626233 + ... + 13626240.

It is an arithmetic number, because the mean of its divisors is an integer number (31794553).

Almost surely, 2^109009892 is an apocalyptic number.

It is an amenable number.

109009892 is a deficient number, since it is larger than the sum of its proper divisors (81757426).

109009892 is a wasteful number, since it uses less digits than its factorization.

109009892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27252477 (or 27252475 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 38.

The square root of 109009892 is about 10440.7802390434. The cubic root of 109009892 is about 477.7000680215.

It can be divided in two parts, 109009 and 892, that added together give a palindrome (109901).

The spelling of 109009892 in words is "one hundred nine million, nine thousand, eight hundred ninety-two".