428652980 has 36 divisors (see below), whose sum is σ = 1047140388. Its totient is φ = 146966400.

The previous prime is 428652971. The next prime is 428652997. The reversal of 428652980 is 89256824.

It can be written as a sum of positive squares in 2 ways, for example, as 134050084 + 294602896 = 11578^2 + 17164^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 217721 + ... + 219680.

It is an arithmetic number, because the mean of its divisors is an integer number (29087233).

Almost surely, 2^428652980 is an apocalyptic number.

It is an amenable number.

428652980 is an abundant number, since it is smaller than the sum of its proper divisors (618487408).

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

428652980 is a wasteful number, since it uses less digits than its factorization.

428652980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437424 (or 437415 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 428652980 is about 20703.9363407058. The cubic root of 428652980 is about 753.9952601446.

The spelling of 428652980 in words is "four hundred twenty-eight million, six hundred fifty-two thousand, nine hundred eighty".