99986349 has 4 divisors (see below), whose sum is σ = 133315136. Its totient is φ = 66657564.

The previous prime is 99986347. The next prime is 99986351. The reversal of 99986349 is 94368999.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (99986347) and next prime (99986351).

It is not a de Polignac number, because 99986349 - 2¹ = 99986347 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99986347) 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, 16664389 + ... + 16664394.

It is an arithmetic number, because the mean of its divisors is an integer number (33328784).

Almost surely, 2^99986349 is an apocalyptic number.

It is an amenable number.

99986349 is a deficient number, since it is larger than the sum of its proper divisors (33328787).

99986349 is a wasteful number, since it uses less digits than its factorization.

99986349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33328786.

The product of its digits is 3779136, while the sum is 57.

The square root of 99986349 is about 9999.3174267047. The cubic root of 99986349 is about 464.1377616238.

The spelling of 99986349 in words is "ninety-nine million, nine hundred eighty-six thousand, three hundred forty-nine".