428325743 has 4 divisors (see below), whose sum is σ = 428713080. Its totient is φ = 427938408.

The previous prime is 428325671. The next prime is 428325767. The reversal of 428325743 is 347523824.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 428325743 - 2⁸ = 428325487 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 428325697 and 428325706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428325773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192005 + ... + 194222.

It is an arithmetic number, because the mean of its divisors is an integer number (107178270).

Almost surely, 2^428325743 is an apocalyptic number.

428325743 is a deficient number, since it is larger than the sum of its proper divisors (387337).

428325743 is a wasteful number, since it uses less digits than its factorization.

428325743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387336.

The product of its digits is 161280, while the sum is 38.

The square root of 428325743 is about 20696.0320593103. The cubic root of 428325743 is about 753.8033426950.

The spelling of 428325743 in words is "four hundred twenty-eight million, three hundred twenty-five thousand, seven hundred forty-three".