18806934 has 16 divisors (see below), whose sum is σ = 37675440. Its totient is φ = 6258720.

The previous prime is 18806923. The next prime is 18806951. The reversal of 18806934 is 43960881.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 18806892 and 18806901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2044 + ... + 6464.

It is an arithmetic number, because the mean of its divisors is an integer number (2354715).

Almost surely, 2^18806934 is an apocalyptic number.

18806934 is an abundant number, since it is smaller than the sum of its proper divisors (18868506).

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

18806934 is a wasteful number, since it uses less digits than its factorization.

18806934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5135.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 18806934 is about 4336.6962079445. The cubic root of 18806934 is about 265.9332657133.

The spelling of 18806934 in words is "eighteen million, eight hundred six thousand, nine hundred thirty-four".