18785106 has 12 divisors (see below), whose sum is σ = 40701102. Its totient is φ = 6261696.

The previous prime is 18785083. The next prime is 18785111. The reversal of 18785106 is 60158781.

It can be written as a sum of positive squares in only one way, i.e., 13068225 + 5716881 = 3615^2 + 2391^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 521791 + ... + 521826.

Almost surely, 2^18785106 is an apocalyptic number.

18785106 is an abundant number, since it is smaller than the sum of its proper divisors (21915996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18785106 is a wasteful number, since it uses less digits than its factorization.

18785106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043625 (or 1043622 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

The square root of 18785106 is about 4334.1788149545. The cubic root of 18785106 is about 265.8303419987.

The spelling of 18785106 in words is "eighteen million, seven hundred eighty-five thousand, one hundred six".