1086421866 has 8 divisors (see below), whose sum is σ = 2172843744. Its totient is φ = 362140620.

The previous prime is 1086421849. The next prime is 1086421871. The reversal of 1086421866 is 6681246801.

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

1086421866 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90535150 + ... + 90535161.

It is an arithmetic number, because the mean of its divisors is an integer number (271605468).

Almost surely, 2^1086421866 is an apocalyptic number.

1086421866 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.

1086421866 is a wasteful number, since it uses less digits than its factorization.

1086421866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181070316.

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 1086421866 is about 32960.9142166900. The cubic root of 1086421866 is about 1028.0151129261.

The spelling of 1086421866 in words is "one billion, eighty-six million, four hundred twenty-one thousand, eight hundred sixty-six".