874221986 has 8 divisors (see below), whose sum is σ = 1430545104. Its totient is φ = 397373620.

The previous prime is 874221941. The next prime is 874222009. The reversal of 874221986 is 689122478.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 874221986.

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 3 ways as a sum of consecutive naturals, for example, 19868660 + ... + 19868703.

It is an arithmetic number, because the mean of its divisors is an integer number (178818138).

Almost surely, 2^874221986 is an apocalyptic number.

874221986 is a deficient number, since it is larger than the sum of its proper divisors (556323118).

874221986 is a wasteful number, since it uses less digits than its factorization.

874221986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39737376.

The product of its digits is 387072, while the sum is 47.

The square root of 874221986 is about 29567.2451540552. The cubic root of 874221986 is about 956.1820240401.

The spelling of 874221986 in words is "eight hundred seventy-four million, two hundred twenty-one thousand, nine hundred eighty-six".