8928138 has 16 divisors (see below), whose sum is σ = 18796320. Its totient is φ = 2819376.

The previous prime is 8928131. The next prime is 8928149. The reversal of 8928138 is 8318298.

It is a junction number, because it is equal to n+sod(n) for n = 8928096 and 8928105.

It is not an unprimeable number, because it can be changed into a prime (8928131) 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, 39045 + ... + 39272.

It is an arithmetic number, because the mean of its divisors is an integer number (1174770).

Almost surely, 2^8928138 is an apocalyptic number.

8928138 is an abundant number, since it is smaller than the sum of its proper divisors (9868182).

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

8928138 is a wasteful number, since it uses less digits than its factorization.

8928138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78341.

The product of its digits is 27648, while the sum is 39.

The square root of 8928138 is about 2987.9989959838. The cubic root of 8928138 is about 207.4532763623.

The spelling of 8928138 in words is "eight million, nine hundred twenty-eight thousand, one hundred thirty-eight".