10299421 has 4 divisors (see below), whose sum is σ = 11235744. Its totient is φ = 9363100.

The previous prime is 10299389. The next prime is 10299427. The reversal of 10299421 is 12499201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10299421 - 2⁵ = 10299389 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10299421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10299427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 468145 + ... + 468166.

It is an arithmetic number, because the mean of its divisors is an integer number (2808936).

Almost surely, 2^10299421 is an apocalyptic number.

10299421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10299421 is a deficient number, since it is larger than the sum of its proper divisors (936323).

10299421 is an equidigital number, since it uses as much as digits as its factorization.

10299421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936322.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 10299421 is about 3209.2711010446. The cubic root of 10299421 is about 217.5726343925.

The spelling of 10299421 in words is "ten million, two hundred ninety-nine thousand, four hundred twenty-one".