428751084 has 24 divisors (see below), whose sum is σ = 1059267888. Its totient is φ = 134510080.

The previous prime is 428751083. The next prime is 428751107. The reversal of 428751084 is 480157824.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (428751083) 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, 1050657 + ... + 1051064.

It is an arithmetic number, because the mean of its divisors is an integer number (44136162).

Almost surely, 2^428751084 is an apocalyptic number.

It is an amenable number.

428751084 is an abundant number, since it is smaller than the sum of its proper divisors (630516804).

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

428751084 is a wasteful number, since it uses less digits than its factorization.

428751084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101745 (or 2101743 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 39.

The square root of 428751084 is about 20706.3054164667. The cubic root of 428751084 is about 754.0527769956.

The spelling of 428751084 in words is "four hundred twenty-eight million, seven hundred fifty-one thousand, eighty-four".