512215946 has 16 divisors (see below), whose sum is σ = 882286560. Its totient is φ = 220571280.

The previous prime is 512215943. The next prime is 512215987. The reversal of 512215946 is 649512215.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (512215943) 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, 612281 + ... + 613116.

It is an arithmetic number, because the mean of its divisors is an integer number (55142910).

Almost surely, 2^512215946 is an apocalyptic number.

512215946 is a deficient number, since it is larger than the sum of its proper divisors (370070614).

512215946 is a wasteful number, since it uses less digits than its factorization.

512215946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225429.

The product of its digits is 21600, while the sum is 35.

The square root of 512215946 is about 22632.1882724583. The cubic root of 512215946 is about 800.1124560663.

The spelling of 512215946 in words is "five hundred twelve million, two hundred fifteen thousand, nine hundred forty-six".