10428665 has 8 divisors (see below), whose sum is σ = 13477128. Its totient is φ = 7701120.

The previous prime is 10428653. The next prime is 10428697. The reversal of 10428665 is 56682401.

It can be written as a sum of positive squares in 4 ways, for example, as 2111209 + 8317456 = 1453^2 + 2884^2 .

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

It is not a de Polignac number, because 10428665 - 2¹² = 10424569 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 80156 + ... + 80285.

It is an arithmetic number, because the mean of its divisors is an integer number (1684641).

Almost surely, 2^10428665 is an apocalyptic number.

It is an amenable number.

10428665 is a deficient number, since it is larger than the sum of its proper divisors (3048463).

10428665 is a wasteful number, since it uses less digits than its factorization.

10428665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160459.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 10428665 is about 3229.3443607023. The cubic root of 10428665 is about 218.4789360868.

The spelling of 10428665 in words is "ten million, four hundred twenty-eight thousand, six hundred sixty-five".