428959860 has 48 divisors (see below), whose sum is σ = 1372672896. Its totient is φ = 98047872.

The previous prime is 428959849. The next prime is 428959871. The reversal of 428959860 is 68959824.

It is an interprime number because it is at equal distance from previous prime (428959849) and next prime (428959871).

It is a super-2 number, since 2×428959860² = 368013122982439200, which contains 22 as substring.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 510247 + ... + 511086.

It is an arithmetic number, because the mean of its divisors is an integer number (28597352).

Almost surely, 2^428959860 is an apocalyptic number.

It is an amenable number.

428959860 is an abundant number, since it is smaller than the sum of its proper divisors (943713036).

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

428959860 is a wasteful number, since it uses less digits than its factorization.

428959860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021352 (or 1021350 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 51.

The square root of 428959860 is about 20711.3461658097. The cubic root of 428959860 is about 754.1751499237.

The spelling of 428959860 in words is "four hundred twenty-eight million, nine hundred fifty-nine thousand, eight hundred sixty".