18246434 has 16 divisors (see below), whose sum is σ = 28080000. Its totient is φ = 8888304.

The previous prime is 18246433. The next prime is 18246443. The reversal of 18246434 is 43464281.

It is a self number, because there is not a number n which added to its sum of digits gives 18246434.

It is not an unprimeable number, because it can be changed into a prime (18246433) 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 7 ways as a sum of consecutive naturals, for example, 36317 + ... + 36815.

It is an arithmetic number, because the mean of its divisors is an integer number (1755000).

Almost surely, 2^18246434 is an apocalyptic number.

18246434 is a deficient number, since it is larger than the sum of its proper divisors (9833566).

18246434 is a wasteful number, since it uses less digits than its factorization.

18246434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937.

The product of its digits is 18432, while the sum is 32.

The square root of 18246434 is about 4271.5844835377. The cubic root of 18246434 is about 263.2647221061.

The spelling of 18246434 in words is "eighteen million, two hundred forty-six thousand, four hundred thirty-four".