8319021446 has 16 divisors (see below), whose sum is σ = 13149371760. Its totient is φ = 3936366720.

The previous prime is 8319021391. The next prime is 8319021481. The reversal of 8319021446 is 6441209138.

It is a super-2 number, since 2×8319021446² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 81215 + ... + 152426.

It is an arithmetic number, because the mean of its divisors is an integer number (821835735).

Almost surely, 2^8319021446 is an apocalyptic number.

8319021446 is a deficient number, since it is larger than the sum of its proper divisors (4830350314).

8319021446 is a wasteful number, since it uses less digits than its factorization.

8319021446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234599.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 8319021446 is about 91208.6697962425. The cubic root of 8319021446 is about 2026.2393629241.

The spelling of 8319021446 in words is "eight billion, three hundred nineteen million, twenty-one thousand, four hundred forty-six".