428359636 has 96 divisors (see below), whose sum is σ = 869299200. Its totient is φ = 183617280.

The previous prime is 428359601. The next prime is 428359637. The reversal of 428359636 is 636953824.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428359637) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3081655 + ... + 3081793.

It is an arithmetic number, because the mean of its divisors is an integer number (9055200).

Almost surely, 2^428359636 is an apocalyptic number.

428359636 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

428359636 is an abundant number, since it is smaller than the sum of its proper divisors (440939564).

428359636 is a wasteful number, since it uses less digits than its factorization.

428359636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269 (or 267 counting only the distinct ones).

The product of its digits is 933120, while the sum is 46.

The square root of 428359636 is about 20696.8508715698. The cubic root of 428359636 is about 753.8232247461.

The spelling of 428359636 in words is "four hundred twenty-eight million, three hundred fifty-nine thousand, six hundred thirty-six".