2198349086 has 8 divisors (see below), whose sum is σ = 3353414040. Its totient is φ = 1080544408.

The previous prime is 2198349047. The next prime is 2198349107. The reversal of 2198349086 is 6809438912.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9314921 + ... + 9315156.

It is an arithmetic number, because the mean of its divisors is an integer number (419176755).

Almost surely, 2^2198349086 is an apocalyptic number.

2198349086 is a deficient number, since it is larger than the sum of its proper divisors (1155064954).

2198349086 is a wasteful number, since it uses less digits than its factorization.

2198349086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18630138.

The product of its (nonzero) digits is 746496, while the sum is 50.

The square root of 2198349086 is about 46886.5554930195. Note that the first 3 decimals coincide. The cubic root of 2198349086 is about 1300.2660374665.

The spelling of 2198349086 in words is "two billion, one hundred ninety-eight million, three hundred forty-nine thousand, eighty-six".