99979346 has 16 divisors (see below), whose sum is σ = 159252480. Its totient is φ = 46912320.

The previous prime is 99979337. The next prime is 99979357. The reversal of 99979346 is 64397999.

It is a junction number, because it is equal to n+sod(n) for n = 99979291 and 99979300.

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 7 ways as a sum of consecutive naturals, for example, 8111 + ... + 16301.

It is an arithmetic number, because the mean of its divisors is an integer number (9953280).

Almost surely, 2^99979346 is an apocalyptic number.

99979346 is a deficient number, since it is larger than the sum of its proper divisors (59273134).

99979346 is a wasteful number, since it uses less digits than its factorization.

With its successor (99979347) it forms an eRAP, since the sums of their prime factors are consecutive (8569 and 8570).

99979346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8569.

The product of its digits is 3306744, while the sum is 56.

The square root of 99979346 is about 9998.9672466710. The cubic root of 99979346 is about 464.1269253691.

The spelling of 99979346 in words is "ninety-nine million, nine hundred seventy-nine thousand, three hundred forty-six".