99790214 has 4 divisors (see below), whose sum is σ = 149685324. Its totient is φ = 49895106.

The previous prime is 99790213. The next prime is 99790237. The reversal of 99790214 is 41209799.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41209799 = 1193 ⋅34543.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99790213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24947552 + ... + 24947555.

It is an arithmetic number, because the mean of its divisors is an integer number (37421331).

Almost surely, 2^99790214 is an apocalyptic number.

99790214 is a deficient number, since it is larger than the sum of its proper divisors (49895110).

99790214 is a wasteful number, since it uses less digits than its factorization.

99790214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49895109.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 99790214 is about 9989.5051929513. The cubic root of 99790214 is about 463.8340760035.

The spelling of 99790214 in words is "ninety-nine million, seven hundred ninety thousand, two hundred fourteen".