198495094 has 16 divisors (see below), whose sum is σ = 360294048. Its totient is φ = 80065152.

The previous prime is 198495091. The next prime is 198495107. The reversal of 198495094 is 490594891.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198495091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 416769 + ... + 417244.

It is an arithmetic number, because the mean of its divisors is an integer number (22518378).

Almost surely, 2^198495094 is an apocalyptic number.

198495094 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

198495094 is a deficient number, since it is larger than the sum of its proper divisors (161798954).

198495094 is a wasteful number, since it uses less digits than its factorization.

198495094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834039.

The product of its (nonzero) digits is 466560, while the sum is 49.

The square root of 198495094 is about 14088.8286951045. The cubic root of 198495094 is about 583.3330626030. Note that the first 3 decimals are identical.

The spelling of 198495094 in words is "one hundred ninety-eight million, four hundred ninety-five thousand, ninety-four".