99249629 has 4 divisors (see below), whose sum is σ = 102672060. Its totient is φ = 95827200.

The previous prime is 99249599. The next prime is 99249637. The reversal of 99249629 is 92694299.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92694299 = 67 ⋅1383497.

It can be written as a sum of positive squares in 2 ways, for example, as 83265625 + 15984004 = 9125^2 + 3998^2 .

It is a cyclic number.

It is not a de Polignac number, because 99249629 - 2¹⁶ = 99184093 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 (99249649) 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, 1711172 + ... + 1711229.

It is an arithmetic number, because the mean of its divisors is an integer number (25668015).

Almost surely, 2^99249629 is an apocalyptic number.

It is an amenable number.

99249629 is a deficient number, since it is larger than the sum of its proper divisors (3422431).

99249629 is a wasteful number, since it uses less digits than its factorization.

99249629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3422430.

The product of its digits is 629856, while the sum is 50.

The square root of 99249629 is about 9962.4108026120. The cubic root of 99249629 is about 462.9949961130.

The spelling of 99249629 in words is "ninety-nine million, two hundred forty-nine thousand, six hundred twenty-nine".