1428198 has 16 divisors (see below), whose sum is σ = 2885376. Its totient is φ = 471240.

The previous prime is 1428197. The next prime is 1428199. The reversal of 1428198 is 8918241.

It is an interprime number because it is at equal distance from previous prime (1428197) and next prime (1428199).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428197) 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, 538 + ... + 1773.

It is an arithmetic number, because the mean of its divisors is an integer number (180336).

2^1428198 is an apocalyptic number.

1428198 is an abundant number, since it is smaller than the sum of its proper divisors (1457178).

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

1428198 is a wasteful number, since it uses less digits than its factorization.

1428198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2419.

The product of its digits is 4608, while the sum is 33.

The square root of 1428198 is about 1195.0723827451. The cubic root of 1428198 is about 112.6149738160.

The spelling of 1428198 in words is "one million, four hundred twenty-eight thousand, one hundred ninety-eight".