989058193 has 4 divisors (see below), whose sum is σ = 1020963328. Its totient is φ = 957153060.

The previous prime is 989058163. The next prime is 989058197. The reversal of 989058193 is 391850989.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 391850989 = 1033 ⋅379333.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-989058193 is a prime.

It is a super-2 number, since 2×989058193² = 1956472218280850498, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 989058193.

It is not an unprimeable number, because it can be changed into a prime (989058197) 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 3 ways as a sum of consecutive naturals, for example, 15952521 + ... + 15952582.

It is an arithmetic number, because the mean of its divisors is an integer number (255240832).

Almost surely, 2^989058193 is an apocalyptic number.

It is an amenable number.

989058193 is a deficient number, since it is larger than the sum of its proper divisors (31905135).

989058193 is a wasteful number, since it uses less digits than its factorization.

989058193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31905134.

The product of its (nonzero) digits is 699840, while the sum is 52.

The square root of 989058193 is about 31449.2955882958. The cubic root of 989058193 is about 996.3393469708.

The spelling of 989058193 in words is "nine hundred eighty-nine million, fifty-eight thousand, one hundred ninety-three".