9862138 has 16 divisors (see below), whose sum is σ = 17379936. Its totient is φ = 4137840.

The previous prime is 9862133. The next prime is 9862141. The reversal of 9862138 is 8312689.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 9862097 and 9862106.

It is not an unprimeable number, because it can be changed into a prime (9862133) 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, 16956 + ... + 17527.

It is an arithmetic number, because the mean of its divisors is an integer number (1086246).

Almost surely, 2^9862138 is an apocalyptic number.

9862138 is a deficient number, since it is larger than the sum of its proper divisors (7517798).

9862138 is a wasteful number, since it uses less digits than its factorization.

9862138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34509.

The product of its digits is 20736, while the sum is 37.

The square root of 9862138 is about 3140.4041141229. The cubic root of 9862138 is about 214.4488352455.

It can be divided in two parts, 9862 and 138, that added together give a 4-th power (10000 = 10⁴).

The spelling of 9862138 in words is "nine million, eight hundred sixty-two thousand, one hundred thirty-eight".