512236746 has 96 divisors (see below), whose sum is σ = 1317888000. Its totient is φ = 140706720.

The previous prime is 512236729. The next prime is 512236759. The reversal of 512236746 is 647632215.

It is a self number, because there is not a number n which added to its sum of digits gives 512236746.

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 47 ways as a sum of consecutive naturals, for example, 776965 + ... + 777623.

It is an arithmetic number, because the mean of its divisors is an integer number (13728000).

Almost surely, 2^512236746 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 512236746, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (658944000).

512236746 is an abundant number, since it is smaller than the sum of its proper divisors (805651254).

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

512236746 is a wasteful number, since it uses less digits than its factorization.

512236746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904 (or 901 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 512236746 is about 22632.6477903050. The cubic root of 512236746 is about 800.1232862080.

The spelling of 512236746 in words is "five hundred twelve million, two hundred thirty-six thousand, seven hundred forty-six".