18829038 has 24 divisors (see below), whose sum is σ = 39748968. Its totient is φ = 5945328.

The previous prime is 18829037. The next prime is 18829043. The reversal of 18829038 is 83092881.

It is a junction number, because it is equal to n+sod(n) for n = 18828987 and 18829005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18829037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2181 + ... + 6512.

It is an arithmetic number, because the mean of its divisors is an integer number (1656207).

Almost surely, 2^18829038 is an apocalyptic number.

18829038 is an abundant number, since it is smaller than the sum of its proper divisors (20919930).

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

18829038 is a wasteful number, since it uses less digits than its factorization.

18829038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8736 (or 8717 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 18829038 is about 4339.2439433616. The cubic root of 18829038 is about 266.0374097045.

The spelling of 18829038 in words is "eighteen million, eight hundred twenty-nine thousand, thirty-eight".