428980101 has 8 divisors (see below), whose sum is σ = 623971104. Its totient is φ = 259987920.

The previous prime is 428980099. The next prime is 428980127. The reversal of 428980101 is 101089824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 428980101 - 2¹ = 428980099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 12999397 = 428980101 / (4 + 2 + 8 + 9 + 8 + 0 + 1 + 0 + 1).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428980141) 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, 6499666 + ... + 6499731.

It is an arithmetic number, because the mean of its divisors is an integer number (77996388).

Almost surely, 2^428980101 is an apocalyptic number.

It is an amenable number.

428980101 is a deficient number, since it is larger than the sum of its proper divisors (194991003).

428980101 is a wasteful number, since it uses less digits than its factorization.

428980101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12999411.

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 428980101 is about 20711.8348052508. The cubic root of 428980101 is about 754.1870119653.

The spelling of 428980101 in words is "four hundred twenty-eight million, nine hundred eighty thousand, one hundred one".