18954446 has 16 divisors (see below), whose sum is σ = 32794080. Its totient is φ = 8048160.

The previous prime is 18954437. The next prime is 18954451. The reversal of 18954446 is 64445981.

It is a congruent number.

It is an unprimeable number.

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, 4685 + ... + 7736.

It is an arithmetic number, because the mean of its divisors is an integer number (2049630).

Almost surely, 2^18954446 is an apocalyptic number.

18954446 is a deficient number, since it is larger than the sum of its proper divisors (13839634).

18954446 is a wasteful number, since it uses less digits than its factorization.

18954446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12539.

The product of its digits is 138240, while the sum is 41.

The square root of 18954446 is about 4353.6704055314. The cubic root of 18954446 is about 266.6267374243.

The spelling of 18954446 in words is "eighteen million, nine hundred fifty-four thousand, four hundred forty-six".