18925029 has 16 divisors (see below), whose sum is σ = 29687040. Its totient is φ = 11874240.

The previous prime is 18924949. The next prime is 18925037. The reversal of 18925029 is 92052981.

It is not a de Polignac number, because 18925029 - 2¹⁶ = 18859493 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18924984 and 18925002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18925229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20157 + ... + 21074.

It is an arithmetic number, because the mean of its divisors is an integer number (1855440).

Almost surely, 2^18925029 is an apocalyptic number.

It is an amenable number.

18925029 is a deficient number, since it is larger than the sum of its proper divisors (10762011).

18925029 is a wasteful number, since it uses less digits than its factorization.

18925029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41257 (or 41251 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 18925029 is about 4350.2906799431. The cubic root of 18925029 is about 266.4887325146.

The spelling of 18925029 in words is "eighteen million, nine hundred twenty-five thousand, twenty-nine".