428969201 has 4 divisors (see below), whose sum is σ = 429386304. Its totient is φ = 428552100.

The previous prime is 428969197. The next prime is 428969249. The reversal of 428969201 is 102969824.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 428969201 - 2² = 428969197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428969501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207005 + ... + 209066.

It is an arithmetic number, because the mean of its divisors is an integer number (107346576).

Almost surely, 2^428969201 is an apocalyptic number.

It is an amenable number.

428969201 is a deficient number, since it is larger than the sum of its proper divisors (417103).

428969201 is a wasteful number, since it uses less digits than its factorization.

428969201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417102.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 428969201 is about 20711.5716689970. The cubic root of 428969201 is about 754.1806241725.

The spelling of 428969201 in words is "four hundred twenty-eight million, nine hundred sixty-nine thousand, two hundred one".