199109370 has 16 divisors (see below), whose sum is σ = 477862560. Its totient is φ = 53095824.

The previous prime is 199109369. The next prime is 199109371. The reversal of 199109370 is 73901991.

It is an interprime number because it is at equal distance from previous prime (199109369) and next prime (199109371).

It is not an unprimeable number, because it can be changed into a prime (199109371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3318460 + ... + 3318519.

It is an arithmetic number, because the mean of its divisors is an integer number (29866410).

Almost surely, 2^199109370 is an apocalyptic number.

199109370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

199109370 is an abundant number, since it is smaller than the sum of its proper divisors (278753190).

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

199109370 is a wasteful number, since it uses less digits than its factorization.

199109370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6636989.

The product of its (nonzero) digits is 15309, while the sum is 39.

The square root of 199109370 is about 14110.6119640503. The cubic root of 199109370 is about 583.9341832533.

The spelling of 199109370 in words is "one hundred ninety-nine million, one hundred nine thousand, three hundred seventy".