10078409 has 4 divisors (see below), whose sum is σ = 10994640. Its totient is φ = 9162180.

The previous prime is 10078363. The next prime is 10078421. The reversal of 10078409 is 90487001.

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, and also an emirpimes, since its reverse is a distinct semiprime: 90487001 = 11 ⋅8226091.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10078409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10078489) by changing a digit.

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, 458099 + ... + 458120.

It is an arithmetic number, because the mean of its divisors is an integer number (2748660).

Almost surely, 2^10078409 is an apocalyptic number.

It is an amenable number.

10078409 is a deficient number, since it is larger than the sum of its proper divisors (916231).

10078409 is an equidigital number, since it uses as much as digits as its factorization.

10078409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916230.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 10078409 is about 3174.6510044413. The cubic root of 10078409 is about 216.0050939014.

The spelling of 10078409 in words is "ten million, seventy-eight thousand, four hundred nine".