99999356 has 12 divisors (see below), whose sum is σ = 184209480. Its totient is φ = 47368080.

The previous prime is 99999353. The next prime is 99999373. The reversal of 99999356 is 65399999.

It is a junction number, because it is equal to n+sod(n) for n = 99999295 and 99999304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99999353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 657815 + ... + 657966.

It is an arithmetic number, because the mean of its divisors is an integer number (15350790).

Almost surely, 2^99999356 is an apocalyptic number.

It is an amenable number.

99999356 is a deficient number, since it is larger than the sum of its proper divisors (84210124).

99999356 is a wasteful number, since it uses less digits than its factorization.

99999356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315804 (or 1315802 counting only the distinct ones).

The product of its digits is 5314410, while the sum is 59.

The square root of 99999356 is about 9999.9677999482. The cubic root of 99999356 is about 464.1578869647.

The spelling of 99999356 in words is "ninety-nine million, nine hundred ninety-nine thousand, three hundred fifty-six".