18852047 has 16 divisors (see below), whose sum is σ = 20532960. Its totient is φ = 17252352.

The previous prime is 18851969. The next prime is 18852077. The reversal of 18852047 is 74025881.

It is a cyclic number.

It is not a de Polignac number, because 18852047 - 2¹⁰ = 18851023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18851998 and 18852016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18852077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97583 + ... + 97775.

It is an arithmetic number, because the mean of its divisors is an integer number (1283310).

Almost surely, 2^18852047 is an apocalyptic number.

18852047 is a deficient number, since it is larger than the sum of its proper divisors (1680913).

18852047 is a wasteful number, since it uses less digits than its factorization.

18852047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362.

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 18852047 is about 4341.8944022166. The cubic root of 18852047 is about 266.1457311010.

The spelling of 18852047 in words is "eighteen million, eight hundred fifty-two thousand, forty-seven".