18950634 has 12 divisors (see below), whose sum is σ = 41059746. Its totient is φ = 6316872.

The previous prime is 18950629. The next prime is 18950647. The reversal of 18950634 is 43605981.

18950634 is a `hidden beast` number, since 18 + 9 + 5 + 0 + 634 = 666.

It can be written as a sum of positive squares in only one way, i.e., 18948609 + 2025 = 4353^2 + 45^2 .

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 5 ways as a sum of consecutive naturals, for example, 526389 + ... + 526424.

Almost surely, 2^18950634 is an apocalyptic number.

18950634 is an abundant number, since it is smaller than the sum of its proper divisors (22109112).

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

18950634 is a wasteful number, since it uses less digits than its factorization.

18950634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052821 (or 1052818 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 18950634 is about 4353.2325919941. The cubic root of 18950634 is about 266.6088621236.

The spelling of 18950634 in words is "eighteen million, nine hundred fifty thousand, six hundred thirty-four".