18043029 has 12 divisors (see below), whose sum is σ = 26115232. Its totient is φ = 12004200.

The previous prime is 18043019. The next prime is 18043057. The reversal of 18043029 is 92034081.

It is not a de Polignac number, because 18043029 - 2¹³ = 18034837 is a prime.

It is a super-4 number, since 4×18043029⁴ (a number of 30 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18042993 and 18043011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18043009) 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, 3384 + ... + 6894.

Almost surely, 2^18043029 is an apocalyptic number.

It is an amenable number.

18043029 is a deficient number, since it is larger than the sum of its proper divisors (8072203).

18043029 is a wasteful number, since it uses less digits than its factorization.

18043029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4088 (or 4085 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 18043029 is about 4247.7086764513. The cubic root of 18043029 is about 262.2828026494.

The spelling of 18043029 in words is "eighteen million, forty-three thousand, twenty-nine".