198048290 has 32 divisors (see below), whose sum is σ = 389798784. Its totient is φ = 71850240.

The previous prime is 198048233. The next prime is 198048329. The reversal of 198048290 is 92840891.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51722 + ... + 55418.

It is an arithmetic number, because the mean of its divisors is an integer number (12181212).

Almost surely, 2^198048290 is an apocalyptic number.

198048290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

198048290 is a deficient number, since it is larger than the sum of its proper divisors (191750494).

198048290 is a wasteful number, since it uses less digits than its factorization.

198048290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4202.

The product of its (nonzero) digits is 41472, while the sum is 41.

The square root of 198048290 is about 14072.9630852923. The cubic root of 198048290 is about 582.8950478303.

The spelling of 198048290 in words is "one hundred ninety-eight million, forty-eight thousand, two hundred ninety".