428898 has 8 divisors (see below), whose sum is σ = 857808. Its totient is φ = 142964.

The previous prime is 428873. The next prime is 428899. The reversal of 428898 is 898824.

It is a happy number.

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

428898 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (428899) 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, 35736 + ... + 35747.

It is an arithmetic number, because the mean of its divisors is an integer number (107226).

2⁴²⁸⁸⁹⁸ is an apocalyptic number.

428898 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

428898 is a wasteful number, since it uses less digits than its factorization.

428898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71488.

The product of its digits is 36864, while the sum is 39.

The square root of 428898 is about 654.9030462595. The cubic root of 428898 is about 75.4138895158.

It can be divided in two parts, 428 and 898, that added together give a triangular number (1326 = T₅₁).

The spelling of 428898 in words is "four hundred twenty-eight thousand, eight hundred ninety-eight".