18892049 has 8 divisors (see below), whose sum is σ = 21822048. Its totient is φ = 16164160.

The previous prime is 18892043. The next prime is 18892067. The reversal of 18892049 is 94029881.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18892049 - 2¹⁶ = 18826513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18891997 and 18892015.

It is not an unprimeable number, because it can be changed into a prime (18892043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50327 + ... + 50700.

It is an arithmetic number, because the mean of its divisors is an integer number (2727756).

Almost surely, 2^18892049 is an apocalyptic number.

It is an amenable number.

18892049 is a deficient number, since it is larger than the sum of its proper divisors (2929999).

18892049 is a wasteful number, since it uses less digits than its factorization.

18892049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101055.

The product of its (nonzero) digits is 41472, while the sum is 41.

The square root of 18892049 is about 4346.4984757848. The cubic root of 18892049 is about 266.3338422427. Note that the first 3 decimals are identical.

The spelling of 18892049 in words is "eighteen million, eight hundred ninety-two thousand, forty-nine".