99379 has 4 divisors (see below), whose sum is σ = 113584. Its totient is φ = 85176.

The previous prime is 99377. The next prime is 99391. The reversal of 99379 is 97399.

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: 97399 = 173 ⋅563.

It is not a de Polignac number, because 99379 - 2¹ = 99377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7092 + ... + 7105.

It is an arithmetic number, because the mean of its divisors is an integer number (28396).

2⁹⁹³⁷⁹ is an apocalyptic number.

99379 is a deficient number, since it is larger than the sum of its proper divisors (14205).

99379 is a wasteful number, since it uses less digits than its factorization.

99379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14204.

The product of its digits is 15309, while the sum is 37.

The square root of 99379 is about 315.2443496718. The cubic root of 99379 is about 46.3196078708.

The spelling of 99379 in words is "ninety-nine thousand, three hundred seventy-nine".