99906194 has 8 divisors (see below), whose sum is σ = 151912380. Its totient is φ = 49268736.

The previous prime is 99906193. The next prime is 99906197. The reversal of 99906194 is 49160999.

It can be written as a sum of positive squares in 2 ways, for example, as 95550625 + 4355569 = 9775^2 + 2087^2 .

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

It is not an unprimeable number, because it can be changed into a prime (99906193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341999 + ... + 342290.

Almost surely, 2^99906194 is an apocalyptic number.

99906194 is a deficient number, since it is larger than the sum of its proper divisors (52006186).

99906194 is a wasteful number, since it uses less digits than its factorization.

99906194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684364.

The product of its (nonzero) digits is 157464, while the sum is 47.

The square root of 99906194 is about 9995.3085995381. The cubic root of 99906194 is about 464.0137016614.

The spelling of 99906194 in words is "ninety-nine million, nine hundred six thousand, one hundred ninety-four".