199478484 has 24 divisors (see below), whose sum is σ = 517166720. Its totient is φ = 66492792.

The previous prime is 199478467. The next prime is 199478509. The reversal of 199478484 is 484874991.

199478484 is a `hidden beast` number, since 1 + 9 + 94 + 78 + 484 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 199478484.

It is a congruent number.

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, 923404 + ... + 923619.

Almost surely, 2^199478484 is an apocalyptic number.

It is an amenable number.

199478484 is an abundant number, since it is smaller than the sum of its proper divisors (317688236).

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

199478484 is a wasteful number, since it uses less digits than its factorization.

199478484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1847036 (or 1847028 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 199478484 is about 14123.6852131446. The cubic root of 199478484 is about 584.2947978391.

The spelling of 199478484 in words is "one hundred ninety-nine million, four hundred seventy-eight thousand, four hundred eighty-four".