428983317 has 32 divisors (see below), whose sum is σ = 727285760. Its totient is φ = 244807920.

The previous prime is 428983309. The next prime is 428983319. The reversal of 428983317 is 713389824.

It is not a de Polignac number, because 428983317 - 2³ = 428983309 is a prime.

It is a Duffinian number.

Its product of digits (290304) is a multiple of the sum of its prime divisors (3024).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428983319) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 277248 + ... + 278790.

It is an arithmetic number, because the mean of its divisors is an integer number (22727680).

Almost surely, 2^428983317 is an apocalyptic number.

It is an amenable number.

428983317 is a deficient number, since it is larger than the sum of its proper divisors (298302443).

428983317 is a wasteful number, since it uses less digits than its factorization.

428983317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3030 (or 3024 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 428983317 is about 20711.9124418775. The cubic root of 428983317 is about 754.1888966366.

The spelling of 428983317 in words is "four hundred twenty-eight million, nine hundred eighty-three thousand, three hundred seventeen".