842463986 has 48 divisors (see below), whose sum is σ = 1579503744. Its totient is φ = 329951232.

The previous prime is 842463959. The next prime is 842464001. The reversal of 842463986 is 689364248.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 241970 + ... + 245426.

It is an arithmetic number, because the mean of its divisors is an integer number (32906328).

Almost surely, 2^842463986 is an apocalyptic number.

842463986 is a deficient number, since it is larger than the sum of its proper divisors (737039758).

842463986 is a wasteful number, since it uses less digits than its factorization.

842463986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3595 (or 3582 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 50.

The square root of 842463986 is about 29025.2301627395. The cubic root of 842463986 is about 944.4604614964.

The spelling of 842463986 in words is "eight hundred forty-two million, four hundred sixty-three thousand, nine hundred eighty-six".