8003447420 has 12 divisors (see below), whose sum is σ = 16807239624. Its totient is φ = 3201378960.

The previous prime is 8003447371. The next prime is 8003447429. The reversal of 8003447420 is 247443008.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8003447429) 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, 200086166 + ... + 200086205.

It is an arithmetic number, because the mean of its divisors is an integer number (1400603302).

Almost surely, 2^8003447420 is an apocalyptic number.

It is an amenable number.

8003447420 is an abundant number, since it is smaller than the sum of its proper divisors (8803792204).

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

8003447420 is a wasteful number, since it uses less digits than its factorization.

8003447420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400172380 (or 400172378 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 8003447420 is about 89461.9886879338. The cubic root of 8003447420 is about 2000.2872437435.

The spelling of 8003447420 in words is "eight billion, three million, four hundred forty-seven thousand, four hundred twenty".