8998606906 has 16 divisors (see below), whose sum is σ = 14526201960. Its totient is φ = 4165217280.

The previous prime is 8998606901. The next prime is 8998606907. The reversal of 8998606906 is 6096068998.

It can be written as a sum of positive squares in 4 ways, for example, as 7692868681 + 1305738225 = 87709^2 + 36135^2 .

It is a Harshad number since it is a multiple of its sum of digits (61).

It is not an unprimeable number, because it can be changed into a prime (8998606901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2167311 + ... + 2171458.

Almost surely, 2^8998606906 is an apocalyptic number.

8998606906 is a deficient number, since it is larger than the sum of its proper divisors (5527595054).

8998606906 is a wasteful number, since it uses less digits than its factorization.

8998606906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4338849.

The product of its (nonzero) digits is 10077696, while the sum is 61.

The square root of 8998606906 is about 94860.9872708481. The cubic root of 8998606906 is about 2079.9764933549.

The spelling of 8998606906 in words is "eight billion, nine hundred ninety-eight million, six hundred six thousand, nine hundred six".