428802630 has 32 divisors (see below), whose sum is σ = 1036044000. Its totient is φ = 113578752.

The previous prime is 428802617. The next prime is 428802631. The reversal of 428802630 is 36208824.

It is a junction number, because it is equal to n+sod(n) for n = 428802591 and 428802600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428802631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43495 + ... + 52434.

It is an arithmetic number, because the mean of its divisors is an integer number (32376375).

Almost surely, 2^428802630 is an apocalyptic number.

428802630 is an abundant number, since it is smaller than the sum of its proper divisors (607241370).

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

428802630 is a wasteful number, since it uses less digits than its factorization.

428802630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96088.

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 428802630 is about 20707.5500723770. The cubic root of 428802630 is about 754.0829940985.

It can be divided in two parts, 4288026 and 30, that added together give a triangular number (4288056 = T₂₉₂₈).

The spelling of 428802630 in words is "four hundred twenty-eight million, eight hundred two thousand, six hundred thirty".