99149428 has 12 divisors (see below), whose sum is σ = 198298912. Its totient is φ = 42492600.

The previous prime is 99149419. The next prime is 99149431. The reversal of 99149428 is 82494199.

99149428 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1770498 + ... + 1770553.

Almost surely, 2^99149428 is an apocalyptic number.

It is an amenable number.

99149428 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99149428 is a wasteful number, since it uses less digits than its factorization.

99149428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3541062 (or 3541060 counting only the distinct ones).

The product of its digits is 186624, while the sum is 46.

The square root of 99149428 is about 9957.3805792487. The cubic root of 99149428 is about 462.8391326159.

The spelling of 99149428 in words is "ninety-nine million, one hundred forty-nine thousand, four hundred twenty-eight".