1043981886 has 8 divisors (see below), whose sum is σ = 2087963784. Its totient is φ = 347993960.

The previous prime is 1043981881. The next prime is 1043981927. The reversal of 1043981886 is 6881893401.

It is a sphenic number, since it is the product of 3 distinct primes.

1043981886 is an admirable number.

It is a super-2 number, since 2×1043981886² = 2179796356592233992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043981881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86998485 + ... + 86998496.

It is an arithmetic number, because the mean of its divisors is an integer number (260995473).

Almost surely, 2^1043981886 is an apocalyptic number.

1043981886 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1043981886 is a wasteful number, since it uses less digits than its factorization.

1043981886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173996986.

The product of its (nonzero) digits is 331776, while the sum is 48.

The square root of 1043981886 is about 32310.7085344782. The cubic root of 1043981886 is about 1014.4507972276.

The spelling of 1043981886 in words is "one billion, forty-three million, nine hundred eighty-one thousand, eight hundred eighty-six".