986424138 has 48 divisors (see below), whose sum is σ = 2548780416. Its totient is φ = 269580960.

The previous prime is 986424091. The next prime is 986424139. The reversal of 986424138 is 831424689.

It is a happy number.

986424138 is a `hidden beast` number, since 98 + 6 + 424 + 138 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 986424093 and 986424102.

It is not an unprimeable number, because it can be changed into a prime (986424139) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 167293 + ... + 173088.

It is an arithmetic number, because the mean of its divisors is an integer number (53099592).

Almost surely, 2^986424138 is an apocalyptic number.

986424138 is an abundant number, since it is smaller than the sum of its proper divisors (1562356278).

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

986424138 is a wasteful number, since it uses less digits than its factorization.

986424138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340419 (or 340416 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 986424138 is about 31407.3898628969. The cubic root of 986424138 is about 995.4540785795.

The spelling of 986424138 in words is "nine hundred eighty-six million, four hundred twenty-four thousand, one hundred thirty-eight".