1430998 has 4 divisors (see below), whose sum is σ = 2146500. Its totient is φ = 715498.

The previous prime is 1430993. The next prime is 1431007. The reversal of 1430998 is 8990341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8990341 = 31 ⋅290011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1430993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357748 + ... + 357751.

It is an arithmetic number, because the mean of its divisors is an integer number (536625).

2^1430998 is an apocalyptic number.

1430998 is a deficient number, since it is larger than the sum of its proper divisors (715502).

1430998 is an equidigital number, since it uses as much as digits as its factorization.

1430998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715501.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 1430998 is about 1196.2432862926. The cubic root of 1430998 is about 112.6885201279.

The spelling of 1430998 in words is "one million, four hundred thirty thousand, nine hundred ninety-eight".