8158338 has 24 divisors (see below), whose sum is σ = 18287100. Its totient is φ = 2625504.

The previous prime is 8158333. The next prime is 8158373. The reversal of 8158338 is 8338518.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6985449 + 1172889 = 2643^2 + 1083^2 .

It is not an unprimeable number, because it can be changed into a prime (8158331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7293 + ... + 8336.

Almost surely, 2^8158338 is an apocalyptic number.

8158338 is an abundant number, since it is smaller than the sum of its proper divisors (10128762).

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

8158338 is a wasteful number, since it uses less digits than its factorization.

8158338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15666 (or 15663 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 8158338 is about 2856.2804484154. The cubic root of 8158338 is about 201.3108726266.

The spelling of 8158338 in words is "eight million, one hundred fifty-eight thousand, three hundred thirty-eight".