428396180 has 24 divisors (see below), whose sum is σ = 900039168. Its totient is φ = 171280928.

The previous prime is 428396159. The next prime is 428396201. The reversal of 428396180 is 81693824.

It is an interprime number because it is at equal distance from previous prime (428396159) and next prime (428396201).

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 7 ways as a sum of consecutive naturals, for example, 64997 + ... + 71283.

It is an arithmetic number, because the mean of its divisors is an integer number (37501632).

Almost surely, 2^428396180 is an apocalyptic number.

It is an amenable number.

428396180 is an abundant number, since it is smaller than the sum of its proper divisors (471642988).

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

428396180 is a wasteful number, since it uses less digits than its factorization.

428396180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9703 (or 9701 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 428396180 is about 20697.7336923635. The cubic root of 428396180 is about 753.8446607314.

The spelling of 428396180 in words is "four hundred twenty-eight million, three hundred ninety-six thousand, one hundred eighty".