18992483 has 4 divisors (see below), whose sum is σ = 19252728. Its totient is φ = 18732240.

The previous prime is 18992473. The next prime is 18992531. The reversal of 18992483 is 38429981.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38429981 = 257 ⋅149533.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18992483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18992473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130013 + ... + 130158.

It is an arithmetic number, because the mean of its divisors is an integer number (4813182).

Almost surely, 2^18992483 is an apocalyptic number.

18992483 is a deficient number, since it is larger than the sum of its proper divisors (260245).

18992483 is an equidigital number, since it uses as much as digits as its factorization.

18992483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260244.

The product of its digits is 124416, while the sum is 44.

The square root of 18992483 is about 4358.0365992038. The cubic root of 18992483 is about 266.8049700985.

The spelling of 18992483 in words is "eighteen million, nine hundred ninety-two thousand, four hundred eighty-three".