17994029 has 4 divisors (see below), whose sum is σ = 18131520. Its totient is φ = 17856540.

The previous prime is 17994023. The next prime is 17994077. The reversal of 17994029 is 92049971.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 17994029 - 2⁴ = 17994013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17994023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68549 + ... + 68810.

It is an arithmetic number, because the mean of its divisors is an integer number (4532880).

Almost surely, 2^17994029 is an apocalyptic number.

It is an amenable number.

17994029 is a deficient number, since it is larger than the sum of its proper divisors (137491).

17994029 is a wasteful number, since it uses less digits than its factorization.

17994029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137490.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 17994029 is about 4241.9369396539. The cubic root of 17994029 is about 262.0451576107.

The spelling of 17994029 in words is "seventeen million, nine hundred ninety-four thousand, twenty-nine".