428246513 has 8 divisors (see below), whose sum is σ = 435448608. Its totient is φ = 421068384.

The previous prime is 428246459. The next prime is 428246527. The reversal of 428246513 is 315642824.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-428246513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428246593) 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, 32045 + ... + 43397.

It is an arithmetic number, because the mean of its divisors is an integer number (54431076).

Almost surely, 2^428246513 is an apocalyptic number.

It is an amenable number.

428246513 is a deficient number, since it is larger than the sum of its proper divisors (7202095).

428246513 is a wasteful number, since it uses less digits than its factorization.

428246513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11983.

The product of its digits is 46080, while the sum is 35.

The square root of 428246513 is about 20694.1178357523. The cubic root of 428246513 is about 753.7568613097.

The spelling of 428246513 in words is "four hundred twenty-eight million, two hundred forty-six thousand, five hundred thirteen".