10340405 has 8 divisors (see below), whose sum is σ = 12711384. Its totient is φ = 8070400.

The previous prime is 10340387. The next prime is 10340411. The reversal of 10340405 is 50404301.

10340405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 649636 + 9690769 = 806^2 + 3113^2 .

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

It is not a de Polignac number, because 10340405 - 2⁸ = 10340149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25016 + ... + 25425.

It is an arithmetic number, because the mean of its divisors is an integer number (1588923).

Almost surely, 2^10340405 is an apocalyptic number.

It is an amenable number.

10340405 is a deficient number, since it is larger than the sum of its proper divisors (2370979).

10340405 is an equidigital number, since it uses as much as digits as its factorization.

10340405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50487.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 10340405 is about 3215.6500120504. The cubic root of 10340405 is about 217.8608446153.

Adding to 10340405 its reverse (50404301), we get a palindrome (60744706).

The spelling of 10340405 in words is "ten million, three hundred forty thousand, four hundred five".