8499428 has 12 divisors (see below), whose sum is σ = 16998912. Its totient is φ = 3642600.

The previous prime is 8499409. The next prime is 8499461. The reversal of 8499428 is 8249948.

It is a happy number.

8499428 is an admirable 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, 151748 + ... + 151803.

It is an arithmetic number, because the mean of its divisors is an integer number (1416576).

Almost surely, 2^8499428 is an apocalyptic number.

It is an amenable number.

8499428 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.

8499428 is a wasteful number, since it uses less digits than its factorization.

8499428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303562 (or 303560 counting only the distinct ones).

The product of its digits is 165888, while the sum is 44.

The square root of 8499428 is about 2915.3778485816. The cubic root of 8499428 is about 204.0781771369.

The spelling of 8499428 in words is "eight million, four hundred ninety-nine thousand, four hundred twenty-eight".