428279130 has 64 divisors (see below), whose sum is σ = 1209271680. Its totient is φ = 107488512.

The previous prime is 428279119. The next prime is 428279141. The reversal of 428279130 is 31972824.

It is an interprime number because it is at equal distance from previous prime (428279119) and next prime (428279141).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42064 + ... + 51243.

It is an arithmetic number, because the mean of its divisors is an integer number (18894870).

Almost surely, 2^428279130 is an apocalyptic number.

428279130 is an abundant number, since it is smaller than the sum of its proper divisors (780992550).

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

428279130 is a wasteful number, since it uses less digits than its factorization.

428279130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93340 (or 93334 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 428279130 is about 20694.9058949298. The cubic root of 428279130 is about 753.7759972222.

The spelling of 428279130 in words is "four hundred twenty-eight million, two hundred seventy-nine thousand, one hundred thirty".