428169201 has 8 divisors (see below), whose sum is σ = 583039104. Its totient is φ = 279372720.

The previous prime is 428169151. The next prime is 428169211. The reversal of 428169201 is 102961824.

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

It is not a de Polignac number, because 428169201 - 2⁷ = 428169073 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (428169211) 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, 1518190 + ... + 1518471.

It is an arithmetic number, because the mean of its divisors is an integer number (72879888).

Almost surely, 2^428169201 is an apocalyptic number.

It is an amenable number.

428169201 is a deficient number, since it is larger than the sum of its proper divisors (154869903).

428169201 is a wasteful number, since it uses less digits than its factorization.

428169201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3036711.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 428169201 is about 20692.2497810170. The cubic root of 428169201 is about 753.7114996190.

The spelling of 428169201 in words is "four hundred twenty-eight million, one hundred sixty-nine thousand, two hundred one".