478965939 has 8 divisors (see below), whose sum is σ = 676187280. Its totient is φ = 300527616.

The previous prime is 478965931. The next prime is 478965967. The reversal of 478965939 is 939569874.

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

It is not a de Polignac number, because 478965939 - 2³ = 478965931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (478965931) 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, 4695694 + ... + 4695795.

It is an arithmetic number, because the mean of its divisors is an integer number (84523410).

Almost surely, 2^478965939 is an apocalyptic number.

478965939 is a deficient number, since it is larger than the sum of its proper divisors (197221341).

478965939 is a wasteful number, since it uses less digits than its factorization.

478965939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9391509.

The product of its digits is 14696640, while the sum is 60.

The square root of 478965939 is about 21885.2904709990. The cubic root of 478965939 is about 782.4108723387.

It can be divided in two parts, 47896 and 5939, that added together give a palindrome (53835).

The spelling of 478965939 in words is "four hundred seventy-eight million, nine hundred sixty-five thousand, nine hundred thirty-nine".