10099281 has 16 divisors (see below), whose sum is σ = 13967360. Its totient is φ = 6486480.

The previous prime is 10099267. The next prime is 10099289. The reversal of 10099281 is 18299001.

It is not a de Polignac number, because 10099281 - 2⁶ = 10099217 is a prime.

It is a super-2 number, since 2×10099281² = 203990953433922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10099289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9696 + ... + 10686.

It is an arithmetic number, because the mean of its divisors is an integer number (872960).

Almost surely, 2^10099281 is an apocalyptic number.

It is an amenable number.

10099281 is a deficient number, since it is larger than the sum of its proper divisors (3868079).

10099281 is an equidigital number, since it uses as much as digits as its factorization.

10099281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116.

The product of its (nonzero) digits is 1296, while the sum is 30.

The square root of 10099281 is about 3177.9365947105. The cubic root of 10099281 is about 216.1541038497.

The spelling of 10099281 in words is "ten million, ninety-nine thousand, two hundred eighty-one".