1946449198 has 16 divisors (see below), whose sum is σ = 3075096960. Its totient is φ = 922208056.

The previous prime is 1946449171. The next prime is 1946449199. The reversal of 1946449198 is 8919446491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1946449199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192808 + ... + 202651.

It is an arithmetic number, because the mean of its divisors is an integer number (192193560).

Almost surely, 2^1946449198 is an apocalyptic number.

1946449198 is a deficient number, since it is larger than the sum of its proper divisors (1128647762).

1946449198 is a wasteful number, since it uses less digits than its factorization.

1946449198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395591.

The product of its digits is 2239488, while the sum is 55.

The square root of 1946449198 is about 44118.5810968576. The cubic root of 1946449198 is about 1248.5742032078.

The spelling of 1946449198 in words is "one billion, nine hundred forty-six million, four hundred forty-nine thousand, one hundred ninety-eight".