428546375 has 8 divisors (see below), whose sum is σ = 534826032. Its totient is φ = 342837000.

The previous prime is 428546257. The next prime is 428546429. The reversal of 428546375 is 573645824.

It is not a de Polignac number, because 428546375 - 2¹⁶ = 428480839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1714061 + ... + 1714310.

It is an arithmetic number, because the mean of its divisors is an integer number (66853254).

Almost surely, 2^428546375 is an apocalyptic number.

428546375 is a deficient number, since it is larger than the sum of its proper divisors (106279657).

428546375 is an equidigital number, since it uses as much as digits as its factorization.

428546375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3428386 (or 3428376 counting only the distinct ones).

The product of its digits is 806400, while the sum is 44.

The square root of 428546375 is about 20701.3616701897. The cubic root of 428546375 is about 753.9327493393.

The spelling of 428546375 in words is "four hundred twenty-eight million, five hundred forty-six thousand, three hundred seventy-five".