1428998 has 8 divisors (see below), whose sum is σ = 2162808. Its totient is φ = 708064.

The previous prime is 1428997. The next prime is 1429027. The reversal of 1428998 is 8998241.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428991) 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, 2936 + ... + 3387.

It is an arithmetic number, because the mean of its divisors is an integer number (270351).

2^1428998 is an apocalyptic number.

1428998 is a deficient number, since it is larger than the sum of its proper divisors (733810).

1428998 is a wasteful number, since it uses less digits than its factorization.

1428998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6438.

The product of its digits is 41472, while the sum is 41.

The square root of 1428998 is about 1195.4070436466. The cubic root of 1428998 is about 112.6359968494.

The spelling of 1428998 in words is "one million, four hundred twenty-eight thousand, nine hundred ninety-eight".