479321647 has 8 divisors (see below), whose sum is σ = 580019616. Its totient is φ = 386679552.

The previous prime is 479321641. The next prime is 479321653. The reversal of 479321647 is 746123974.

It is an interprime number because it is at equal distance from previous prime (479321641) and next prime (479321653).

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

It is a de Polignac number, because none of the positive numbers 2^k-479321647 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 (479321641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2013838 + ... + 2014075.

It is an arithmetic number, because the mean of its divisors is an integer number (72502452).

Almost surely, 2^479321647 is an apocalyptic number.

479321647 is a deficient number, since it is larger than the sum of its proper divisors (100697969).

479321647 is a wasteful number, since it uses less digits than its factorization.

479321647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4027937.

The product of its digits is 254016, while the sum is 43.

The square root of 479321647 is about 21893.4156083513. The cubic root of 479321647 is about 782.6045123702.

The spelling of 479321647 in words is "four hundred seventy-nine million, three hundred twenty-one thousand, six hundred forty-seven".