199813290 has 32 divisors (see below), whose sum is σ = 495023616. Its totient is φ = 51564480.

The previous prime is 199813261. The next prime is 199813301. The reversal of 199813290 is 92318991.

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, 106497 + ... + 108356.

It is an arithmetic number, because the mean of its divisors is an integer number (15469488).

Almost surely, 2^199813290 is an apocalyptic number.

199813290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

199813290 is an abundant number, since it is smaller than the sum of its proper divisors (295210326).

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

199813290 is a wasteful number, since it uses less digits than its factorization.

199813290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214894.

The product of its (nonzero) digits is 34992, while the sum is 42.

The square root of 199813290 is about 14135.5328870192. The cubic root of 199813290 is about 584.6215098664.

The spelling of 199813290 in words is "one hundred ninety-nine million, eight hundred thirteen thousand, two hundred ninety".