512394046 has 16 divisors (see below), whose sum is σ = 804923424. Its totient is φ = 244167264.

The previous prime is 512394041. The next prime is 512394107. The reversal of 512394046 is 640493215.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512394041) 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, 7365 + ... + 32848.

It is an arithmetic number, because the mean of its divisors is an integer number (50307714).

Almost surely, 2^512394046 is an apocalyptic number.

512394046 is a deficient number, since it is larger than the sum of its proper divisors (292529378).

512394046 is a wasteful number, since it uses less digits than its factorization.

512394046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40515.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 512394046 is about 22636.1225919988. The cubic root of 512394046 is about 800.2051796638.

The spelling of 512394046 in words is "five hundred twelve million, three hundred ninety-four thousand, forty-six".