428717401 has 8 divisors (see below), whose sum is σ = 511265664. Its totient is φ = 351494880.

The previous prime is 428717369. The next prime is 428717413. The reversal of 428717401 is 104717824.

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

It is a cyclic number.

It is not a de Polignac number, because 428717401 - 2⁵ = 428717369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (428717461) 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, 1331260 + ... + 1331581.

It is an arithmetic number, because the mean of its divisors is an integer number (63908208).

Almost surely, 2^428717401 is an apocalyptic number.

It is an amenable number.

428717401 is a deficient number, since it is larger than the sum of its proper divisors (82548263).

428717401 is a wasteful number, since it uses less digits than its factorization.

428717401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2662871.

The product of its (nonzero) digits is 12544, while the sum is 34.

The square root of 428717401 is about 20705.4920492125. The cubic root of 428717401 is about 754.0330301652.

The spelling of 428717401 in words is "four hundred twenty-eight million, seven hundred seventeen thousand, four hundred one".