99356543 has 16 divisors (see below), whose sum is σ = 119218176. Its totient is φ = 81596640.

The previous prime is 99356539. The next prime is 99356591. The reversal of 99356543 is 34565399.

It is a cyclic number.

It is not a de Polignac number, because 99356543 - 2² = 99356539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99356494 and 99356503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99356513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 671 + ... + 14112.

It is an arithmetic number, because the mean of its divisors is an integer number (7451136).

Almost surely, 2^99356543 is an apocalyptic number.

99356543 is a deficient number, since it is larger than the sum of its proper divisors (19861633).

99356543 is a wasteful number, since it uses less digits than its factorization.

99356543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14854.

The product of its digits is 437400, while the sum is 44.

The square root of 99356543 is about 9967.7752282041. The cubic root of 99356543 is about 463.1611860985.

It can be divided in two parts, 99356 and 543, that added together give a palindrome (99899).

The spelling of 99356543 in words is "ninety-nine million, three hundred fifty-six thousand, five hundred forty-three".