84199930 has 8 divisors (see below), whose sum is σ = 151559892. Its totient is φ = 33679968.

The previous prime is 84199883. The next prime is 84199949. The reversal of 84199930 is 3999148.

It can be written as a sum of positive squares in 2 ways, for example, as 83850649 + 349281 = 9157^2 + 591^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4209987 + ... + 4210006.

Almost surely, 2^84199930 is an apocalyptic number.

84199930 is a deficient number, since it is larger than the sum of its proper divisors (67359962).

84199930 is a wasteful number, since it uses less digits than its factorization.

84199930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8420000.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 84199930 is about 9176.0519832878. The cubic root of 84199930 is about 438.2990979188.

The spelling of 84199930 in words is "eighty-four million, one hundred ninety-nine thousand, nine hundred thirty".