512979446 has 32 divisors (see below), whose sum is σ = 892088640. Its totient is φ = 216691200.

The previous prime is 512979443. The next prime is 512979451. The reversal of 512979446 is 644979215.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 512979446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512979443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 673706 + ... + 674466.

It is an arithmetic number, because the mean of its divisors is an integer number (27877770).

Almost surely, 2^512979446 is an apocalyptic number.

512979446 is a deficient number, since it is larger than the sum of its proper divisors (379109194).

512979446 is a wasteful number, since it uses less digits than its factorization.

512979446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400.

The product of its digits is 544320, while the sum is 47.

The square root of 512979446 is about 22649.0495606328. The cubic root of 512979446 is about 800.5098031819.

The spelling of 512979446 in words is "five hundred twelve million, nine hundred seventy-nine thousand, four hundred forty-six".