18596140 has 12 divisors (see below), whose sum is σ = 39051936. Its totient is φ = 7438448.

The previous prime is 18596119. The next prime is 18596141. The reversal of 18596140 is 4169581.

It is a junction number, because it is equal to n+sod(n) for n = 18596096 and 18596105.

It is not an unprimeable number, because it can be changed into a prime (18596141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464884 + ... + 464923.

It is an arithmetic number, because the mean of its divisors is an integer number (3254328).

Almost surely, 2^18596140 is an apocalyptic number.

18596140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18596140 is an abundant number, since it is smaller than the sum of its proper divisors (20455796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18596140 is a wasteful number, since it uses less digits than its factorization.

18596140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929816 (or 929814 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 18596140 is about 4312.3241993153. The cubic root of 18596140 is about 264.9359759891.

The spelling of 18596140 in words is "eighteen million, five hundred ninety-six thousand, one hundred forty".