428313751 has 16 divisors (see below), whose sum is σ = 473356800. Its totient is φ = 385738848.

The previous prime is 428313733. The next prime is 428313791. The reversal of 428313751 is 157313824.

It is a cyclic number.

It is not a de Polignac number, because 428313751 - 2⁵ = 428313719 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 (428313791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70045 + ... + 75913.

It is an arithmetic number, because the mean of its divisors is an integer number (29584800).

Almost surely, 2^428313751 is an apocalyptic number.

428313751 is a deficient number, since it is larger than the sum of its proper divisors (45043049).

428313751 is a wasteful number, since it uses less digits than its factorization.

428313751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6078.

The product of its digits is 20160, while the sum is 34.

The square root of 428313751 is about 20695.7423399114. The cubic root of 428313751 is about 753.7963077890.

The spelling of 428313751 in words is "four hundred twenty-eight million, three hundred thirteen thousand, seven hundred fifty-one".