506999994 has 32 divisors (see below), whose sum is σ = 1060020864. Its totient is φ = 161356800.

The previous prime is 506999957. The next prime is 507000001. The reversal of 506999994 is 499999605.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79882 + ... + 85994.

It is an arithmetic number, because the mean of its divisors is an integer number (33125652).

Almost surely, 2^506999994 is an apocalyptic number.

506999994 is an abundant number, since it is smaller than the sum of its proper divisors (553020870).

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

506999994 is a wasteful number, since it uses less digits than its factorization.

506999994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6742.

The product of its (nonzero) digits is 7085880, while the sum is 60.

The square root of 506999994 is about 22516.6603651607. The cubic root of 506999994 is about 797.3873067900.

The spelling of 506999994 in words is "five hundred six million, nine hundred ninety-nine thousand, nine hundred ninety-four".