1030998409 has 8 divisors (see below), whose sum is σ = 1189094720. Its totient is φ = 875604816.

The previous prime is 1030998389. The next prime is 1030998413. The reversal of 1030998409 is 9048990301.

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

It is a cyclic number.

It is not a de Polignac number, because 1030998409 - 2⁹ = 1030997897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1030948409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 674859 + ... + 676384.

It is an arithmetic number, because the mean of its divisors is an integer number (148636840).

Almost surely, 2^1030998409 is an apocalyptic number.

It is an amenable number.

1030998409 is a deficient number, since it is larger than the sum of its proper divisors (158096311).

1030998409 is a wasteful number, since it uses less digits than its factorization.

1030998409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351359.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 1030998409 is about 32109.1639411555. The cubic root of 1030998409 is about 1010.2278376959.

The spelling of 1030998409 in words is "one billion, thirty million, nine hundred ninety-eight thousand, four hundred nine".