8361138 has 8 divisors (see below), whose sum is σ = 16722288. Its totient is φ = 2787044.

The previous prime is 8361137. The next prime is 8361139. The reversal of 8361138 is 8311638.

It is an interprime number because it is at equal distance from previous prime (8361137) and next prime (8361139).

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

8361138 is an admirable number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (8361137) 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, 696756 + ... + 696767.

It is an arithmetic number, because the mean of its divisors is an integer number (2090286).

Almost surely, 2^8361138 is an apocalyptic number.

8361138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8361138 is a wasteful number, since it uses less digits than its factorization.

8361138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393528.

The product of its digits is 3456, while the sum is 30.

The square root of 8361138 is about 2891.5632450285. The cubic root of 8361138 is about 202.9653010005.

The spelling of 8361138 in words is "eight million, three hundred sixty-one thousand, one hundred thirty-eight".