10405405 has 8 divisors (see below), whose sum is σ = 12662784. Its totient is φ = 8206800.

The previous prime is 10405393. The next prime is 10405427. The reversal of 10405405 is 50450401.

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

It is not a de Polignac number, because 10405405 - 2⁹ = 10404893 is a prime.

It is a Duffinian number.

It is a congruent 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, 14301 + ... + 15010.

It is an arithmetic number, because the mean of its divisors is an integer number (1582848).

Almost surely, 2^10405405 is an apocalyptic number.

It is an amenable number.

10405405 is a deficient number, since it is larger than the sum of its proper divisors (2257379).

10405405 is an equidigital number, since it uses as much as digits as its factorization.

10405405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29387.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 10405405 is about 3225.7410001424. The cubic root of 10405405 is about 218.3163840283.

Adding to 10405405 its reverse (50450401), we get a palindrome (60855806).

The spelling of 10405405 in words is "ten million, four hundred five thousand, four hundred five".