99647629 has 4 divisors (see below), whose sum is σ = 100432384. Its totient is φ = 98862876.

The previous prime is 99647627. The next prime is 99647663. The reversal of 99647629 is 92674699.

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 not a de Polignac number, because 99647629 - 2¹ = 99647627 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 (99647627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392187 + ... + 392440.

It is an arithmetic number, because the mean of its divisors is an integer number (25108096).

Almost surely, 2^99647629 is an apocalyptic number.

It is an amenable number.

99647629 is a deficient number, since it is larger than the sum of its proper divisors (784755).

99647629 is a wasteful number, since it uses less digits than its factorization.

99647629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784754.

The product of its digits is 1469664, while the sum is 52.

The square root of 99647629 is about 9982.3659019293. The cubic root of 99647629 is about 463.6130546447.

The spelling of 99647629 in words is "ninety-nine million, six hundred forty-seven thousand, six hundred twenty-nine".