1214649198 has 48 divisors (see below), whose sum is σ = 3010456800. Its totient is φ = 346724928.

The previous prime is 1214649197. The next prime is 1214649259. The reversal of 1214649198 is 8919464121.

It is a happy number.

1214649198 is a `hidden beast` number, since 12 + 1 + 464 + 91 + 98 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214649197) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 157128 + ... + 164676.

It is an arithmetic number, because the mean of its divisors is an integer number (62717850).

Almost surely, 2^1214649198 is an apocalyptic number.

1214649198 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1214649198 is an abundant number, since it is smaller than the sum of its proper divisors (1795807602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1214649198 is a wasteful number, since it uses less digits than its factorization.

1214649198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8841 (or 8838 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 1214649198 is about 34851.8177144321. The cubic root of 1214649198 is about 1066.9652847304.

The spelling of 1214649198 in words is "one billion, two hundred fourteen million, six hundred forty-nine thousand, one hundred ninety-eight".