18693050 has 12 divisors (see below), whose sum is σ = 34769166. Its totient is φ = 7477200.

The previous prime is 18693049. The next prime is 18693083. The reversal of 18693050 is 5039681.

It can be written as a sum of positive squares in 3 ways, for example, as 16104169 + 2588881 = 4013^2 + 1609^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 18692998 and 18693016.

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, 186881 + ... + 186980.

Almost surely, 2^18693050 is an apocalyptic number.

18693050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18693050 is a deficient number, since it is larger than the sum of its proper divisors (16076116).

18693050 is a wasteful number, since it uses less digits than its factorization.

18693050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373873 (or 373868 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 18693050 is about 4323.5459983675. The cubic root of 18693050 is about 265.3953988261.

The spelling of 18693050 in words is "eighteen million, six hundred ninety-three thousand, fifty".