10340409 has 8 divisors (see below), whose sum is σ = 14386752. Its totient is φ = 6593840.

The previous prime is 10340387. The next prime is 10340411. The reversal of 10340409 is 90404301.

10340409 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 10340409 - 2⁹ = 10339897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10340419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74862 + ... + 74999.

It is an arithmetic number, because the mean of its divisors is an integer number (1798344).

Almost surely, 2^10340409 is an apocalyptic number.

It is an amenable number.

10340409 is a deficient number, since it is larger than the sum of its proper divisors (4046343).

10340409 is a wasteful number, since it uses less digits than its factorization.

10340409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149887.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 10340409 is about 3215.6506340086. The cubic root of 10340409 is about 217.8608727072.

The spelling of 10340409 in words is "ten million, three hundred forty thousand, four hundred nine".