428336207 has 8 divisors (see below), whose sum is σ = 476165760. Its totient is φ = 382632480.

The previous prime is 428336173. The next prime is 428336213. The reversal of 428336207 is 702633824.

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 428336207 - 2²² = 424141903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428336297) 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, 531032 + ... + 531837.

It is an arithmetic number, because the mean of its divisors is an integer number (59520720).

Almost surely, 2^428336207 is an apocalyptic number.

428336207 is a deficient number, since it is larger than the sum of its proper divisors (47829553).

428336207 is a wasteful number, since it uses less digits than its factorization.

428336207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062913.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 428336207 is about 20696.2848598486. The cubic root of 428336207 is about 753.8094811181.

The spelling of 428336207 in words is "four hundred twenty-eight million, three hundred thirty-six thousand, two hundred seven".