99303428 has 12 divisors (see below), whose sum is σ = 198606912. Its totient is φ = 42558600.

The previous prime is 99303427. The next prime is 99303437. The reversal of 99303428 is 82430399.

99303428 is an admirable number.

It is a super-2 number, since 2×99303428² = 19722341625102368, which contains 22 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 99303391 and 99303400.

It is not an unprimeable number, because it can be changed into a prime (99303427) 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, 1773248 + ... + 1773303.

It is an arithmetic number, because the mean of its divisors is an integer number (16550576).

Almost surely, 2^99303428 is an apocalyptic number.

It is an amenable number.

99303428 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.

99303428 is a wasteful number, since it uses less digits than its factorization.

99303428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3546562 (or 3546560 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 99303428 is about 9965.1105362660. The cubic root of 99303428 is about 463.0786376297.

The spelling of 99303428 in words is "ninety-nine million, three hundred three thousand, four hundred twenty-eight".