99255428 has 12 divisors (see below), whose sum is σ = 179300352. Its totient is φ = 48026760.

The previous prime is 99255407. The next prime is 99255439. The reversal of 99255428 is 82455299.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400100 + ... + 400347.

It is an arithmetic number, because the mean of its divisors is an integer number (14941696).

Almost surely, 2^99255428 is an apocalyptic number.

It is an amenable number.

99255428 is a deficient number, since it is larger than the sum of its proper divisors (80044924).

99255428 is a wasteful number, since it uses less digits than its factorization.

99255428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800482 (or 800480 counting only the distinct ones).

The product of its digits is 259200, while the sum is 44.

The square root of 99255428 is about 9962.7018423719. The cubic root of 99255428 is about 463.0040132943.

The spelling of 99255428 in words is "ninety-nine million, two hundred fifty-five thousand, four hundred twenty-eight".