99149427 has 30 divisors (see below), whose sum is σ = 160403892. Its totient is φ = 61006608.

The previous prime is 99149419. The next prime is 99149431. The reversal of 99149427 is 72494199.

It is a happy number.

It is not a de Polignac number, because 99149427 - 2³ = 99149419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99149417) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 10068 + ... + 17310.

Almost surely, 2^99149427 is an apocalyptic number.

99149427 is a deficient number, since it is larger than the sum of its proper divisors (61254465).

99149427 is a wasteful number, since it uses less digits than its factorization.

99149427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7281 (or 7259 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 99149427 is about 9957.3805290347. The cubic root of 99149427 is about 462.8391310598.

The spelling of 99149427 in words is "ninety-nine million, one hundred forty-nine thousand, four hundred twenty-seven".