8609448906 has 32 divisors (see below), whose sum is σ = 19577046720. Its totient is φ = 2803075632.

The previous prime is 8609448899. The next prime is 8609448931. The reversal of 8609448906 is 6098449068.

It is a super-2 number, since 2×8609448906² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 15 ways as a sum of consecutive naturals, for example, 1851565 + ... + 1856208.

It is an arithmetic number, because the mean of its divisors is an integer number (611782710).

Almost surely, 2^8609448906 is an apocalyptic number.

8609448906 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

8609448906 is an abundant number, since it is smaller than the sum of its proper divisors (10967597814).

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

8609448906 is a wasteful number, since it uses less digits than its factorization.

8609448906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3707827 (or 3707821 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The square root of 8609448906 is about 92787.1160560560. The cubic root of 8609448906 is about 2049.5496854233.

The spelling of 8609448906 in words is "eight billion, six hundred nine million, four hundred forty-eight thousand, nine hundred six".