646024463 has 8 divisors (see below), whose sum is σ = 781744032. Its totient is φ = 521162496.

The previous prime is 646024451. The next prime is 646024481. The reversal of 646024463 is 364420646.

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

It is a cyclic number.

It is not a de Polignac number, because 646024463 - 2¹⁴ = 646008079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (646024433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2714270 + ... + 2714507.

It is an arithmetic number, because the mean of its divisors is an integer number (97718004).

Almost surely, 2^646024463 is an apocalyptic number.

646024463 is a deficient number, since it is larger than the sum of its proper divisors (135719569).

646024463 is a wasteful number, since it uses less digits than its factorization.

646024463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5428801.

The product of its (nonzero) digits is 82944, while the sum is 35.

The square root of 646024463 is about 25417.0112916527. The cubic root of 646024463 is about 864.4694589305.

The spelling of 646024463 in words is "six hundred forty-six million, twenty-four thousand, four hundred sixty-three".