198853450 has 12 divisors (see below), whose sum is σ = 369867510. Its totient is φ = 79541360.

The previous prime is 198853393. The next prime is 198853481. The reversal of 198853450 is 54358891.

198853450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 188760121 + 10093329 = 13739^2 + 3177^2 .

It is a junction number, because it is equal to n+sod(n) for n = 198853397 and 198853406.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1988485 + ... + 1988584.

Almost surely, 2^198853450 is an apocalyptic number.

198853450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

198853450 is a deficient number, since it is larger than the sum of its proper divisors (171014060).

198853450 is a wasteful number, since it uses less digits than its factorization.

198853450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3977081 (or 3977076 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 198853450 is about 14101.5406959665. The cubic root of 198853450 is about 583.6838944993.

The spelling of 198853450 in words is "one hundred ninety-eight million, eight hundred fifty-three thousand, four hundred fifty".