199994670 has 40 divisors (see below), whose sum is σ = 537765624. Its totient is φ = 53331696.

The previous prime is 199994633. The next prime is 199994689. The reversal of 199994670 is 76499991.

199994670 is a `hidden beast` number, since 1 + 99 + 99 + 467 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 122644 + ... + 124263.

Almost surely, 2^199994670 is an apocalyptic number.

199994670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

199994670 is an abundant number, since it is smaller than the sum of its proper divisors (337770954).

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

199994670 is a wasteful number, since it uses less digits than its factorization.

199994670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246926 (or 246917 counting only the distinct ones).

The product of its (nonzero) digits is 1102248, while the sum is 54.

The square root of 199994670 is about 14141.9471785182. The cubic root of 199994670 is about 584.7983525916.

It can be divided in two parts, 1999 and 94670, that added together give a palindrome (96669).

The spelling of 199994670 in words is "one hundred ninety-nine million, nine hundred ninety-four thousand, six hundred seventy".