428614473 has 8 divisors (see below), whose sum is σ = 653126848. Its totient is φ = 244922544.

The previous prime is 428614471. The next prime is 428614513. The reversal of 428614473 is 374416824.

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

It is not a de Polignac number, because 428614473 - 2¹ = 428614471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428614471) 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, 10205086 + ... + 10205127.

It is an arithmetic number, because the mean of its divisors is an integer number (81640856).

Almost surely, 2^428614473 is an apocalyptic number.

It is an amenable number.

428614473 is a deficient number, since it is larger than the sum of its proper divisors (224512375).

428614473 is a wasteful number, since it uses less digits than its factorization.

428614473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20410223.

The product of its digits is 129024, while the sum is 39.

The square root of 428614473 is about 20703.0063758866. The cubic root of 428614473 is about 753.9726816905.

The spelling of 428614473 in words is "four hundred twenty-eight million, six hundred fourteen thousand, four hundred seventy-three".