428941169 has 16 divisors (see below), whose sum is σ = 460615680. Its totient is φ = 398241360.

The previous prime is 428941157. The next prime is 428941171. The reversal of 428941169 is 961149824.

It is a cyclic number.

It is not a de Polignac number, because 428941169 - 2⁴ = 428941153 is a prime.

It is a super-3 number, since 3×428941169³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428941189) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 283124 + ... + 284634.

It is an arithmetic number, because the mean of its divisors is an integer number (28788480).

Almost surely, 2^428941169 is an apocalyptic number.

It is an amenable number.

428941169 is a deficient number, since it is larger than the sum of its proper divisors (31674511).

428941169 is a wasteful number, since it uses less digits than its factorization.

428941169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1820.

The product of its digits is 124416, while the sum is 44.

The square root of 428941169 is about 20710.8949347922. The cubic root of 428941169 is about 754.1641959132.

The spelling of 428941169 in words is "four hundred twenty-eight million, nine hundred forty-one thousand, one hundred sixty-nine".