1018706436 has 96 divisors (see below), whose sum is σ = 3050732160. Its totient is φ = 290534400.

The previous prime is 1018706417. The next prime is 1018706443. The reversal of 1018706436 is 6346078101.

1018706436 is a `hidden beast` number, since 1 + 0 + 1 + 8 + 7 + 0 + 643 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1018706436.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5025 + ... + 45416.

It is an arithmetic number, because the mean of its divisors is an integer number (31778460).

Almost surely, 2^1018706436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1018706436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1525366080).

1018706436 is an abundant number, since it is smaller than the sum of its proper divisors (2032025724).

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

1018706436 is a wasteful number, since it uses less digits than its factorization.

1018706436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50482 (or 50474 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 1018706436 is about 31917.1808905486. The cubic root of 1018706436 is about 1006.1969965729.

The spelling of 1018706436 in words is "one billion, eighteen million, seven hundred six thousand, four hundred thirty-six".