428786574 has 8 divisors (see below), whose sum is σ = 857573160. Its totient is φ = 142928856.

The previous prime is 428786551. The next prime is 428786581. The reversal of 428786574 is 475687824.

It is a sphenic number, since it is the product of 3 distinct primes.

428786574 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35732209 + ... + 35732220.

It is an arithmetic number, because the mean of its divisors is an integer number (107196645).

Almost surely, 2^428786574 is an apocalyptic number.

428786574 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

428786574 is a wasteful number, since it uses less digits than its factorization.

428786574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71464434.

The product of its digits is 3010560, while the sum is 51.

The square root of 428786574 is about 20707.1623840641. The cubic root of 428786574 is about 754.0735820700.

Adding to 428786574 its product of digits (3010560), we get a palindrome (431797134).

The spelling of 428786574 in words is "four hundred twenty-eight million, seven hundred eighty-six thousand, five hundred seventy-four".