1430028 has 24 divisors (see below), whose sum is σ = 3707760. Its totient is φ = 476640.

The previous prime is 1430027. The next prime is 1430041. The reversal of 1430028 is 8200341.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1430027) 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, 6513 + ... + 6728.

It is an arithmetic number, because the mean of its divisors is an integer number (154490).

2^1430028 is an apocalyptic number.

1430028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1430028 is an abundant number, since it is smaller than the sum of its proper divisors (2277732).

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

1430028 is a wasteful number, since it uses less digits than its factorization.

1430028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13254 (or 13246 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1430028 is about 1195.8377816410. The cubic root of 1430028 is about 112.6630524538.

Adding to 1430028 its reverse (8200341), we get a palindrome (9630369).

The spelling of 1430028 in words is "one million, four hundred thirty thousand, twenty-eight".