18829105 has 8 divisors (see below), whose sum is σ = 22684392. Its totient is φ = 15003648.

The previous prime is 18829103. The next prime is 18829117. The reversal of 18829105 is 50192881.

It can be written as a sum of positive squares in 4 ways, for example, as 10061584 + 8767521 = 3172^2 + 2961^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18829105 - 2¹ = 18829103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18829103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6042 + ... + 8611.

It is an arithmetic number, because the mean of its divisors is an integer number (2835549).

Almost surely, 2^18829105 is an apocalyptic number.

It is an amenable number.

18829105 is a deficient number, since it is larger than the sum of its proper divisors (3855287).

18829105 is a wasteful number, since it uses less digits than its factorization.

18829105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14915.

The product of its (nonzero) digits is 5760, while the sum is 34.

The square root of 18829105 is about 4339.2516635936. The cubic root of 18829105 is about 266.0377252541.

The spelling of 18829105 in words is "eighteen million, eight hundred twenty-nine thousand, one hundred five".