18829408 has 24 divisors (see below), whose sum is σ = 39922848. Its totient is φ = 8690304.

The previous prime is 18829379. The next prime is 18829409. The reversal of 18829408 is 80492881.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18829409) 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, 22216 + ... + 23047.

It is an arithmetic number, because the mean of its divisors is an integer number (1663452).

Almost surely, 2^18829408 is an apocalyptic number.

It is an amenable number.

18829408 is an abundant number, since it is smaller than the sum of its proper divisors (21093440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18829408 is a wasteful number, since it uses less digits than its factorization.

18829408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45286 (or 45278 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 40.

The square root of 18829408 is about 4339.2865773074. The cubic root of 18829408 is about 266.0391522824.

The spelling of 18829408 in words is "eighteen million, eight hundred twenty-nine thousand, four hundred eight".