10266421 has 8 divisors (see below), whose sum is σ = 11239488. Its totient is φ = 9300000.

The previous prime is 10266409. The next prime is 10266437. The reversal of 10266421 is 12466201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10266421 - 2¹⁵ = 10233653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10266392 and 10266401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10266461) 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 7 ways as a sum of consecutive naturals, for example, 1921 + ... + 4921.

It is an arithmetic number, because the mean of its divisors is an integer number (1404936).

Almost surely, 2^10266421 is an apocalyptic number.

10266421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10266421 is a deficient number, since it is larger than the sum of its proper divisors (973067).

10266421 is a wasteful number, since it uses less digits than its factorization.

10266421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3323.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 10266421 is about 3204.1256217570. The cubic root of 10266421 is about 217.3400135848.

It can be divided in two parts, 1026 and 6421, that added together give a palindrome (7447).

The spelling of 10266421 in words is "ten million, two hundred sixty-six thousand, four hundred twenty-one".