199433340 has 120 divisors (see below), whose sum is σ = 629232912. Its totient is φ = 52876800.

The previous prime is 199433309. The next prime is 199433407. The reversal of 199433340 is 43334991.

199433340 is a `hidden beast` number, since 199 + 433 + 34 + 0 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 199433295 and 199433304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 497140 + ... + 497540.

Almost surely, 2^199433340 is an apocalyptic number.

199433340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 199433340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314616456).

199433340 is an abundant number, since it is smaller than the sum of its proper divisors (429799572).

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

199433340 is a wasteful number, since it uses less digits than its factorization.

199433340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729 (or 718 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 199433340 is about 14122.0869562540. The cubic root of 199433340 is about 584.2507172381.

The spelling of 199433340 in words is "one hundred ninety-nine million, four hundred thirty-three thousand, three hundred forty".