105989594 has 12 divisors (see below), whose sum is σ = 168887454. Its totient is φ = 49877184.

The previous prime is 105989573. The next prime is 105989621. The reversal of 105989594 is 495989501.

It can be written as a sum of positive squares in 3 ways, for example, as 105370225 + 619369 = 10265^2 + 787^2 .

It is a super-2 number, since 2×105989594² = 22467588072569672, which contains 22 as substring.

It is a Curzon number.

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 5 ways as a sum of consecutive naturals, for example, 91109 + ... + 92264.

Almost surely, 2^105989594 is an apocalyptic number.

105989594 is a deficient number, since it is larger than the sum of its proper divisors (62897860).

105989594 is a wasteful number, since it uses less digits than its factorization.

105989594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183409 (or 183392 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 50.

The square root of 105989594 is about 10295.1247685494. The cubic root of 105989594 is about 473.2468619177.

The spelling of 105989594 in words is "one hundred five million, nine hundred eighty-nine thousand, five hundred ninety-four".