999385006 has 16 divisors (see below), whose sum is σ = 1614716928. Its totient is φ = 462547800.

The previous prime is 999385003. The next prime is 999385019. The reversal of 999385006 is 600583999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999385003) 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, 348990 + ... + 351841.

It is an arithmetic number, because the mean of its divisors is an integer number (100919808).

Almost surely, 2^999385006 is an apocalyptic number.

999385006 is a deficient number, since it is larger than the sum of its proper divisors (615331922).

999385006 is a wasteful number, since it uses less digits than its factorization.

999385006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700887.

The product of its (nonzero) digits is 524880, while the sum is 49.

The square root of 999385006 is about 31613.0511972508. The cubic root of 999385006 is about 999.7949599615.

The spelling of 999385006 in words is "nine hundred ninety-nine million, three hundred eighty-five thousand, six".