99206428 has 12 divisors (see below), whose sum is σ = 173689992. Its totient is φ = 49580720.

The previous prime is 99206423. The next prime is 99206453. The reversal of 99206428 is 82460299.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99206423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7926 + ... + 16162.

It is an arithmetic number, because the mean of its divisors is an integer number (14474166).

Almost surely, 2^99206428 is an apocalyptic number.

It is an amenable number.

99206428 is a deficient number, since it is larger than the sum of its proper divisors (74483564).

99206428 is a wasteful number, since it uses less digits than its factorization.

99206428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11252 (or 11250 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 99206428 is about 9960.2423665290. The cubic root of 99206428 is about 462.9278094650.

The spelling of 99206428 in words is "ninety-nine million, two hundred six thousand, four hundred twenty-eight".