428511743 has 16 divisors (see below), whose sum is σ = 484423200. Its totient is φ = 375473280.

The previous prime is 428511739. The next prime is 428511773. The reversal of 428511743 is 347115824.

It is a cyclic number.

It is not a de Polignac number, because 428511743 - 2² = 428511739 is a prime.

It is a super-3 number, since 3×428511743³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428511703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 348053 + ... + 349281.

It is an arithmetic number, because the mean of its divisors is an integer number (30276450).

Almost surely, 2^428511743 is an apocalyptic number.

428511743 is a deficient number, since it is larger than the sum of its proper divisors (55911457).

428511743 is a wasteful number, since it uses less digits than its factorization.

428511743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2362.

The product of its digits is 26880, while the sum is 35.

The square root of 428511743 is about 20700.5251865744. The cubic root of 428511743 is about 753.9124396724.

The spelling of 428511743 in words is "four hundred twenty-eight million, five hundred eleven thousand, seven hundred forty-three".