521296946 has 8 divisors (see below), whose sum is σ = 787914864. Its totient is φ = 258658660.

The previous prime is 521296907. The next prime is 521296957. The reversal of 521296946 is 649692125.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 521296897 and 521296906.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 994580 + ... + 995103.

It is an arithmetic number, because the mean of its divisors is an integer number (98489358).

Almost surely, 2^521296946 is an apocalyptic number.

521296946 is a deficient number, since it is larger than the sum of its proper divisors (266617918).

521296946 is a wasteful number, since it uses less digits than its factorization.

521296946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1989816.

The product of its digits is 233280, while the sum is 44.

The square root of 521296946 is about 22831.9282146734. The cubic root of 521296946 is about 804.8131433642.

The spelling of 521296946 in words is "five hundred twenty-one million, two hundred ninety-six thousand, nine hundred forty-six".