18896446 has 8 divisors (see below), whose sum is σ = 28363464. Its totient is φ = 9441960.

The previous prime is 18896441. The next prime is 18896447. The reversal of 18896446 is 64469881.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 18896396 and 18896405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18896441) 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, 3196 + ... + 6928.

It is an arithmetic number, because the mean of its divisors is an integer number (3545433).

Almost surely, 2^18896446 is an apocalyptic number.

18896446 is a deficient number, since it is larger than the sum of its proper divisors (9467018).

18896446 is a wasteful number, since it uses less digits than its factorization.

18896446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6266.

The product of its digits is 331776, while the sum is 46.

The square root of 18896446 is about 4347.0042558065. The cubic root of 18896446 is about 266.3545031226.

The spelling of 18896446 in words is "eighteen million, eight hundred ninety-six thousand, four hundred forty-six".