8407206906 has 32 divisors (see below), whose sum is σ = 20227868160. Its totient is φ = 2275634736.

The previous prime is 8407206901. The next prime is 8407206931. The reversal of 8407206906 is 6096027048.

It is a super-2 number, since 2×8407206906² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (8407206901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5266876 + ... + 5268471.

It is an arithmetic number, because the mean of its divisors is an integer number (632120880).

Almost surely, 2^8407206906 is an apocalyptic number.

8407206906 is an abundant number, since it is smaller than the sum of its proper divisors (11820661254).

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

8407206906 is a wasteful number, since it uses less digits than its factorization.

8407206906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10535378.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 8407206906 is about 91690.8223651637. The cubic root of 8407206906 is about 2033.3739024483.

The spelling of 8407206906 in words is "eight billion, four hundred seven million, two hundred six thousand, nine hundred six".