10436421 has 4 divisors (see below), whose sum is σ = 13915232. Its totient is φ = 6957612.

The previous prime is 10436417. The next prime is 10436441. The reversal of 10436421 is 12463401.

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 not a de Polignac number, because 10436421 - 2² = 10436417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10436441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1739401 + ... + 1739406.

It is an arithmetic number, because the mean of its divisors is an integer number (3478808).

Almost surely, 2^10436421 is an apocalyptic number.

It is an amenable number.

10436421 is a deficient number, since it is larger than the sum of its proper divisors (3478811).

10436421 is an equidigital number, since it uses as much as digits as its factorization.

10436421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3478810.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 10436421 is about 3230.5450004604. The cubic root of 10436421 is about 218.5330850029.

Adding to 10436421 its reverse (12463401), we get a palindrome (22899822).

The spelling of 10436421 in words is "ten million, four hundred thirty-six thousand, four hundred twenty-one".