340024405 has 8 divisors (see below), whose sum is σ = 466319232. Its totient is φ = 233159568.

The previous prime is 340024403. The next prime is 340024417. The reversal of 340024405 is 504420043.

It is a happy number.

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 340024405 - 2¹ = 340024403 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340024403) 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, 4857457 + ... + 4857526.

It is an arithmetic number, because the mean of its divisors is an integer number (58289904).

Almost surely, 2^340024405 is an apocalyptic number.

340024405 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

340024405 is a deficient number, since it is larger than the sum of its proper divisors (126294827).

340024405 is an equidigital number, since it uses as much as digits as its factorization.

340024405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9714995.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 340024405 is about 18439.7506761887. The cubic root of 340024405 is about 697.9699038482.

Adding to 340024405 its reverse (504420043), we get a palindrome (844444448).

The spelling of 340024405 in words is "three hundred forty million, twenty-four thousand, four hundred five".