428474163 has 8 divisors (see below), whose sum is σ = 615245008. Its totient is φ = 263676384.

The previous prime is 428474131. The next prime is 428474173. The reversal of 428474163 is 361474824.

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

It is not a de Polignac number, because 428474163 - 2⁵ = 428474131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 10986517 = 428474163 / (4 + 2 + 8 + 4 + 7 + 4 + 1 + 6 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428474173) 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, 5493220 + ... + 5493297.

It is an arithmetic number, because the mean of its divisors is an integer number (76905626).

Almost surely, 2^428474163 is an apocalyptic number.

428474163 is a deficient number, since it is larger than the sum of its proper divisors (186770845).

428474163 is a wasteful number, since it uses less digits than its factorization.

428474163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10986533.

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

The square root of 428474163 is about 20699.6174602334. The cubic root of 428474163 is about 753.8903999358.

The spelling of 428474163 in words is "four hundred twenty-eight million, four hundred seventy-four thousand, one hundred sixty-three".