109893289 has 9 divisors (see below), whose sum is σ = 120918679. Its totient is φ = 99798160.

The previous prime is 109893281. The next prime is 109893299. The reversal of 109893289 is 982398901.

The square root of 109893289 is 10483.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 45765225 + 64128064 = 6765^2 + 8008^2 .

It is not a de Polignac number, because 109893289 - 2³ = 109893281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109893281) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 114837 + ... + 115789.

Almost surely, 2^109893289 is an apocalyptic number.

109893289 is the 10483-rd square number.

109893289 is the 5242-nd centered octagonal number.

It is an amenable number.

109893289 is a deficient number, since it is larger than the sum of its proper divisors (11025390).

109893289 is an frugal number, since it uses more digits than its factorization.

109893289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1928 (or 964 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 49.

The cubic root of 109893289 is about 478.9869970305.

Multiplying 109893289 by its sum of digits (49), we get a square (5384771161 = 73381²).

It can be divided in two parts, 109 and 893289, that added together give a palindrome (893398).

The spelling of 109893289 in words is "one hundred nine million, eight hundred ninety-three thousand, two hundred eighty-nine".