428548574 has 4 divisors (see below), whose sum is σ = 642822864. Its totient is φ = 214274286.

The previous prime is 428548567. The next prime is 428548577. The reversal of 428548574 is 475845824.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428548577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107137142 + ... + 107137145.

It is an arithmetic number, because the mean of its divisors is an integer number (160705716).

Almost surely, 2^428548574 is an apocalyptic number.

428548574 is a deficient number, since it is larger than the sum of its proper divisors (214274290).

428548574 is a wasteful number, since it uses less digits than its factorization.

428548574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214274289.

The product of its digits is 1433600, while the sum is 47.

The square root of 428548574 is about 20701.4147825698. The cubic root of 428548574 is about 753.9340388887.

The spelling of 428548574 in words is "four hundred twenty-eight million, five hundred forty-eight thousand, five hundred seventy-four".