428787141 has 8 divisors (see below), whose sum is σ = 605346624. Its totient is φ = 269042880.

The previous prime is 428787113. The next prime is 428787187. The reversal of 428787141 is 141787824.

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

It is not a de Polignac number, because 428787141 - 2⁵ = 428787109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 428787093 and 428787102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428787241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4203745 + ... + 4203846.

It is an arithmetic number, because the mean of its divisors is an integer number (75668328).

Almost surely, 2^428787141 is an apocalyptic number.

It is an amenable number.

428787141 is a deficient number, since it is larger than the sum of its proper divisors (176559483).

428787141 is a wasteful number, since it uses less digits than its factorization.

428787141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8407611.

The product of its digits is 100352, while the sum is 42.

The square root of 428787141 is about 20707.1760749746. The cubic root of 428787141 is about 754.0739144495.

The spelling of 428787141 in words is "four hundred twenty-eight million, seven hundred eighty-seven thousand, one hundred forty-one".