199193850 has 48 divisors (see below), whose sum is σ = 548893440. Its totient is φ = 53118000.

The previous prime is 199193809. The next prime is 199193899. The reversal of 199193850 is 58391991.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 199193796 and 199193805.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72426 + ... + 75125.

It is an arithmetic number, because the mean of its divisors is an integer number (11435280).

Almost surely, 2^199193850 is an apocalyptic number.

199193850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

199193850 is an abundant number, since it is smaller than the sum of its proper divisors (349699590).

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

199193850 is a wasteful number, since it uses less digits than its factorization.

199193850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147572 (or 147561 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 45.

The square root of 199193850 is about 14113.6051383054. The cubic root of 199193850 is about 584.0167572755.

The spelling of 199193850 in words is "one hundred ninety-nine million, one hundred ninety-three thousand, eight hundred fifty".