18928134 has 16 divisors (see below), whose sum is σ = 42062640. Its totient is φ = 6309360.

The previous prime is 18928121. The next prime is 18928139. The reversal of 18928134 is 43182981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18928139) 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, 175207 + ... + 175314.

It is an arithmetic number, because the mean of its divisors is an integer number (2628915).

Almost surely, 2^18928134 is an apocalyptic number.

18928134 is an abundant number, since it is smaller than the sum of its proper divisors (23134506).

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

18928134 is a wasteful number, since it uses less digits than its factorization.

18928134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350532 (or 350526 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 18928134 is about 4350.6475380109. The cubic root of 18928134 is about 266.5033058479.

It can be divided in two parts, 18928 and 134, that multiplied together give a palindrome (2536352).

The spelling of 18928134 in words is "eighteen million, nine hundred twenty-eight thousand, one hundred thirty-four".