428917333 has 8 divisors (see below), whose sum is σ = 476811776. Its totient is φ = 383151600.

The previous prime is 428917309. The next prime is 428917339. The reversal of 428917333 is 333719824.

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

It is not a de Polignac number, because 428917333 - 2⁹ = 428916821 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 (428917339) 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, 531753 + ... + 532558.

It is an arithmetic number, because the mean of its divisors is an integer number (59601472).

Almost surely, 2^428917333 is an apocalyptic number.

It is an amenable number.

428917333 is a deficient number, since it is larger than the sum of its proper divisors (47894443).

428917333 is a wasteful number, since it uses less digits than its factorization.

428917333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064355.

The product of its digits is 108864, while the sum is 40.

The square root of 428917333 is about 20710.3194808772. The cubic root of 428917333 is about 754.1502261725.

The spelling of 428917333 in words is "four hundred twenty-eight million, nine hundred seventeen thousand, three hundred thirty-three".