10406915 has 4 divisors (see below), whose sum is σ = 12488304. Its totient is φ = 8325528.

The previous prime is 10406867. The next prime is 10406933. The reversal of 10406915 is 51960401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51960401 = 137 ⋅379273.

It is a cyclic number.

It is not a de Polignac number, because 10406915 - 2¹⁰ = 10405891 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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1040687 + ... + 1040696.

It is an arithmetic number, because the mean of its divisors is an integer number (3122076).

Almost surely, 2^10406915 is an apocalyptic number.

10406915 is a deficient number, since it is larger than the sum of its proper divisors (2081389).

10406915 is an equidigital number, since it uses as much as digits as its factorization.

10406915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2081388.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 10406915 is about 3225.9750464007. The cubic root of 10406915 is about 218.3269439823.

The spelling of 10406915 in words is "ten million, four hundred six thousand, nine hundred fifteen".