18828043 has 8 divisors (see below), whose sum is σ = 20311200. Its totient is φ = 17349888.

The previous prime is 18828037. The next prime is 18828049. The reversal of 18828043 is 34082881.

It is an interprime number because it is at equal distance from previous prime (18828037) and next prime (18828049).

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 18828043 - 2⁵ = 18828011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18828049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11298 + ... + 12856.

It is an arithmetic number, because the mean of its divisors is an integer number (2538900).

Almost surely, 2^18828043 is an apocalyptic number.

18828043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

18828043 is a deficient number, since it is larger than the sum of its proper divisors (1483157).

18828043 is a wasteful number, since it uses less digits than its factorization.

18828043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2501.

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 18828043 is about 4339.1292905374. The cubic root of 18828043 is about 266.0327234696.

The spelling of 18828043 in words is "eighteen million, eight hundred twenty-eight thousand, forty-three".