99490449 has 8 divisors (see below), whose sum is σ = 132808032. Its totient is φ = 66249920.

The previous prime is 99490423. The next prime is 99490453. The reversal of 99490449 is 94409499.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99490449 - 2¹¹ = 99488401 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99490398 and 99490407.

It is not an unprimeable number, because it can be changed into a prime (99490499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16179 + ... + 21464.

It is an arithmetic number, because the mean of its divisors is an integer number (16601004).

Almost surely, 2^99490449 is an apocalyptic number.

It is an amenable number.

99490449 is a deficient number, since it is larger than the sum of its proper divisors (33317583).

99490449 is a wasteful number, since it uses less digits than its factorization.

99490449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38527.

The product of its (nonzero) digits is 419904, while the sum is 48.

The square root of 99490449 is about 9974.4899117699. The cubic root of 99490449 is about 463.3691650888.

The spelling of 99490449 in words is "ninety-nine million, four hundred ninety thousand, four hundred forty-nine".