18328046 has 32 divisors (see below), whose sum is σ = 31881600. Its totient is φ = 7814880.

The previous prime is 18328039. The next prime is 18328049. The reversal of 18328046 is 64082381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18328049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68000 + ... + 68268.

It is an arithmetic number, because the mean of its divisors is an integer number (996300).

Almost surely, 2^18328046 is an apocalyptic number.

18328046 is a deficient number, since it is larger than the sum of its proper divisors (13553554).

18328046 is a wasteful number, since it uses less digits than its factorization.

18328046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 18328046 is about 4281.1267208528. The cubic root of 18328046 is about 263.6566453823.

The spelling of 18328046 in words is "eighteen million, three hundred twenty-eight thousand, forty-six".