18046029 has 16 divisors (see below), whose sum is σ = 25426880. Its totient is φ = 11384496.

The previous prime is 18046009. The next prime is 18046031. The reversal of 18046029 is 92064081.

It is not a de Polignac number, because 18046029 - 2⁵ = 18045997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 18045987 and 18046005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18046009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20139 + ... + 21015.

It is an arithmetic number, because the mean of its divisors is an integer number (1589180).

Almost surely, 2^18046029 is an apocalyptic number.

18046029 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

18046029 is a deficient number, since it is larger than the sum of its proper divisors (7380851).

18046029 is an frugal number, since it uses more digits than its factorization.

18046029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937 (or 899 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 18046029 is about 4248.0617933359. The cubic root of 18046029 is about 262.2973383611.

The spelling of 18046029 in words is "eighteen million, forty-six thousand, twenty-nine".