199547340 has 24 divisors (see below), whose sum is σ = 558732720. Its totient is φ = 53212608.

The previous prime is 199547321. The next prime is 199547389. The reversal of 199547340 is 43745991.

It is a junction number, because it is equal to n+sod(n) for n = 199547292 and 199547301.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1662835 + ... + 1662954.

It is an arithmetic number, because the mean of its divisors is an integer number (23280530).

Almost surely, 2^199547340 is an apocalyptic number.

199547340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

199547340 is an abundant number, since it is smaller than the sum of its proper divisors (359185380).

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

199547340 is a wasteful number, since it uses less digits than its factorization.

199547340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3325801 (or 3325799 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 199547340 is about 14126.1226102565. The cubic root of 199547340 is about 584.3620190812.

The spelling of 199547340 in words is "one hundred ninety-nine million, five hundred forty-seven thousand, three hundred forty".