8138862 has 12 divisors (see below), whose sum is σ = 17634240. Its totient is φ = 2712948.

The previous prime is 8138861. The next prime is 8138863. The reversal of 8138862 is 2688318.

It is an interprime number because it is at equal distance from previous prime (8138861) and next prime (8138863).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8138861) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 226062 + ... + 226097.

It is an arithmetic number, because the mean of its divisors is an integer number (1469520).

Almost surely, 2^8138862 is an apocalyptic number.

8138862 is an abundant number, since it is smaller than the sum of its proper divisors (9495378).

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

8138862 is a wasteful number, since it uses less digits than its factorization.

8138862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452167 (or 452164 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 8138862 is about 2852.8690821697. The cubic root of 8138862 is about 201.1505517940.

The spelling of 8138862 in words is "eight million, one hundred thirty-eight thousand, eight hundred sixty-two".