10199928 has 16 divisors (see below), whose sum is σ = 25499880. Its totient is φ = 3399968.

The previous prime is 10199923. The next prime is 10199963. The reversal of 10199928 is 82999101.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10199923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212475 + ... + 212522.

Almost surely, 2^10199928 is an apocalyptic number.

It is an amenable number.

10199928 is an abundant number, since it is smaller than the sum of its proper divisors (15299952).

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

10199928 is a wasteful number, since it uses less digits than its factorization.

10199928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425006 (or 425002 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 39.

The square root of 10199928 is about 3193.7326124771. The cubic root of 10199928 is about 216.8697782408.

The spelling of 10199928 in words is "ten million, one hundred ninety-nine thousand, nine hundred twenty-eight".