1986006792 has 128 divisors (see below), whose sum is σ = 6208035840. Its totient is φ = 514356480.

The previous prime is 1986006791. The next prime is 1986006811. The reversal of 1986006792 is 2976006891.

It is not an unprimeable number, because it can be changed into a prime (1986006791) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 732303 + ... + 735009.

It is an arithmetic number, because the mean of its divisors is an integer number (48500280).

Almost surely, 2^1986006792 is an apocalyptic number.

1986006792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1986006792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3104017920).

1986006792 is an abundant number, since it is smaller than the sum of its proper divisors (4222029048).

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

1986006792 is a wasteful number, since it uses less digits than its factorization.

1986006792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3131 (or 3127 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 1986006792 is about 44564.6361143003. The cubic root of 1986006792 is about 1256.9757806642.

Subtracting 1986006792 from its reverse (2976006891), we obtain a palindrome (990000099).

The spelling of 1986006792 in words is "one billion, nine hundred eighty-six million, six thousand, seven hundred ninety-two".