18629028 has 60 divisors (see below), whose sum is σ = 53137392. Its totient is φ = 5644080.

The previous prime is 18629027. The next prime is 18629029. The reversal of 18629028 is 82092681.

18629028 is a `hidden beast` number, since 1 + 8 + 629 + 0 + 28 = 666.

It is an interprime number because it is at equal distance from previous prime (18629027) and next prime (18629029).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 18628983 and 18629001.

It is not an unprimeable number, because it can be changed into a prime (18629027) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 951 + ... + 6177.

Almost surely, 2^18629028 is an apocalyptic number.

18629028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18629028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26568696).

18629028 is an abundant number, since it is smaller than the sum of its proper divisors (34508364).

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

18629028 is a wasteful number, since it uses less digits than its factorization.

18629028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5254 (or 5243 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 18629028 is about 4316.1357717292. The cubic root of 18629028 is about 265.0920672149.

The spelling of 18629028 in words is "eighteen million, six hundred twenty-nine thousand, twenty-eight".