989361194 has 4 divisors (see below), whose sum is σ = 1484041794. Its totient is φ = 494680596.

The previous prime is 989361193. The next prime is 989361199. The reversal of 989361194 is 491163989.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 491163989 = 3329 ⋅147541.

It can be written as a sum of positive squares in only one way, i.e., 784728169 + 204633025 = 28013^2 + 14305^2 .

It is not an unprimeable number, because it can be changed into a prime (989361193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247340297 + ... + 247340300.

Almost surely, 2^989361194 is an apocalyptic number.

989361194 is a deficient number, since it is larger than the sum of its proper divisors (494680600).

989361194 is a wasteful number, since it uses less digits than its factorization.

989361194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494680599.

The product of its digits is 419904, while the sum is 50.

The square root of 989361194 is about 31454.1125133106. The cubic root of 989361194 is about 996.4410804506.

The spelling of 989361194 in words is "nine hundred eighty-nine million, three hundred sixty-one thousand, one hundred ninety-four".