18093896 has 8 divisors (see below), whose sum is σ = 33926070. Its totient is φ = 9046944.

The previous prime is 18093827. The next prime is 18093931. The reversal of 18093896 is 69839081.

It can be written as a sum of positive squares in only one way, i.e., 15100996 + 2992900 = 3886^2 + 1730^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1130861 + ... + 1130876.

Almost surely, 2^18093896 is an apocalyptic number.

It is an amenable number.

18093896 is a deficient number, since it is larger than the sum of its proper divisors (15832174).

18093896 is a wasteful number, since it uses less digits than its factorization.

18093896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2261743 (or 2261739 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 18093896 is about 4253.6920433901. The cubic root of 18093896 is about 262.5290477303.

The spelling of 18093896 in words is "eighteen million, ninety-three thousand, eight hundred ninety-six".