99629 has 4 divisors (see below), whose sum is σ = 101184. Its totient is φ = 98076.

The previous prime is 99623. The next prime is 99643. The reversal of 99629 is 92699.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99629 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 (99623) 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, 677 + ... + 810.

It is an arithmetic number, because the mean of its divisors is an integer number (25296).

2⁹⁹⁶²⁹ is an apocalyptic number.

It is an amenable number.

99629 is a deficient number, since it is larger than the sum of its proper divisors (1555).

99629 is a wasteful number, since it uses less digits than its factorization.

99629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1554.

The product of its digits is 8748, while the sum is 35.

The square root of 99629 is about 315.6406184254. The cubic root of 99629 is about 46.3584162217.

The spelling of 99629 in words is "ninety-nine thousand, six hundred twenty-nine".