18446006 has 4 divisors (see below), whose sum is σ = 27669012. Its totient is φ = 9223002.

The previous prime is 18445981. The next prime is 18446027. The reversal of 18446006 is 60064481.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60064481 = 29 ⋅2071189.

It is a self number, because there is not a number n which added to its sum of digits gives 18446006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4611500 + ... + 4611503.

It is an arithmetic number, because the mean of its divisors is an integer number (6917253).

Almost surely, 2^18446006 is an apocalyptic number.

18446006 is a deficient number, since it is larger than the sum of its proper divisors (9223006).

18446006 is an equidigital number, since it uses as much as digits as its factorization.

18446006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9223005.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 18446006 is about 4294.8813720521. The cubic root of 18446006 is about 264.2210709476.

The spelling of 18446006 in words is "eighteen million, four hundred forty-six thousand, six".