428893206 has 16 divisors (see below), whose sum is σ = 980327424. Its totient is φ = 122540904.

The previous prime is 428893193. The next prime is 428893207. The reversal of 428893206 is 602398824.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 10211743 = 428893206 / (4 + 2 + 8 + 8 + 9 + 3 + 2 + 0 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428893207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5105830 + ... + 5105913.

It is an arithmetic number, because the mean of its divisors is an integer number (61270464).

Almost surely, 2^428893206 is an apocalyptic number.

428893206 is an abundant number, since it is smaller than the sum of its proper divisors (551434218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

428893206 is a wasteful number, since it uses less digits than its factorization.

428893206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10211755.

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 428893206 is about 20709.7369852927. The cubic root of 428893206 is about 754.1360853561.

The spelling of 428893206 in words is "four hundred twenty-eight million, eight hundred ninety-three thousand, two hundred six".