1189939498 has 8 divisors (see below), whose sum is σ = 1947173760. Its totient is φ = 540881580.

The previous prime is 1189939483. The next prime is 1189939519. The reversal of 1189939498 is 8949399811.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27044058 + ... + 27044101.

It is an arithmetic number, because the mean of its divisors is an integer number (243396720).

Almost surely, 2^1189939498 is an apocalyptic number.

1189939498 is a deficient number, since it is larger than the sum of its proper divisors (757234262).

1189939498 is a wasteful number, since it uses less digits than its factorization.

1189939498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54088172.

The product of its digits is 5038848, while the sum is 61.

The square root of 1189939498 is about 34495.4996774942. The cubic root of 1189939498 is about 1059.6805427508.

The spelling of 1189939498 in words is "one billion, one hundred eighty-nine million, nine hundred thirty-nine thousand, four hundred ninety-eight".