10428609 has 4 divisors (see below), whose sum is σ = 13904816. Its totient is φ = 6952404.

The previous prime is 10428581. The next prime is 10428611. The reversal of 10428609 is 90682401.

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 10428609 - 2¹⁵ = 10395841 is a prime.

It is a Duffinian number.

It is a zygodrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (10428629) 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, 1738099 + ... + 1738104.

It is an arithmetic number, because the mean of its divisors is an integer number (3476204).

Almost surely, 2^10428609 is an apocalyptic number.

It is an amenable number.

10428609 is a deficient number, since it is larger than the sum of its proper divisors (3476207).

10428609 is an equidigital number, since it uses as much as digits as its factorization.

10428609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3476206.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 10428609 is about 3229.3356902001. The cubic root of 10428609 is about 218.4785450223.

The spelling of 10428609 in words is "ten million, four hundred twenty-eight thousand, six hundred nine".