199493476 has 24 divisors (see below), whose sum is σ = 429679040. Its totient is φ = 78920352.

The previous prime is 199493473. The next prime is 199493479. The reversal of 199493476 is 674394991.

It is an interprime number because it is at equal distance from previous prime (199493473) and next prime (199493479).

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (199493471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273666 + ... + 274393.

Almost surely, 2^199493476 is an apocalyptic number.

It is an amenable number.

199493476 is an abundant number, since it is smaller than the sum of its proper divisors (230185564).

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

199493476 is a wasteful number, since it uses less digits than its factorization.

199493476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548083 (or 548081 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 52.

The square root of 199493476 is about 14124.2159428409. The cubic root of 199493476 is about 584.3094352209.

The spelling of 199493476 in words is "one hundred ninety-nine million, four hundred ninety-three thousand, four hundred seventy-six".