99424415 has 16 divisors (see below), whose sum is σ = 127306080. Its totient is φ = 74280960.

The previous prime is 99424393. The next prime is 99424417. The reversal of 99424415 is 51442499.

It is not a de Polignac number, because 99424415 - 2¹⁰ = 99423391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99424417) 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, 6671 + ... + 15599.

It is an arithmetic number, because the mean of its divisors is an integer number (7956630).

Almost surely, 2^99424415 is an apocalyptic number.

99424415 is a deficient number, since it is larger than the sum of its proper divisors (27881665).

99424415 is a wasteful number, since it uses less digits than its factorization.

99424415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9082.

The product of its digits is 51840, while the sum is 38.

The square root of 99424415 is about 9971.1792181266. The cubic root of 99424415 is about 463.2666262964.

The spelling of 99424415 in words is "ninety-nine million, four hundred twenty-four thousand, four hundred fifteen".