340030005 has 64 divisors (see below), whose sum is σ = 667865088. Its totient is φ = 144184320.

The previous prime is 340030003. The next prime is 340030021. The reversal of 340030005 is 500030043.

It is not a de Polignac number, because 340030005 - 2¹ = 340030003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340030003) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 125394 + ... + 128076.

It is an arithmetic number, because the mean of its divisors is an integer number (10435392).

Almost surely, 2^340030005 is an apocalyptic number.

340030005 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

340030005 is a deficient number, since it is larger than the sum of its proper divisors (327835083).

340030005 is a wasteful number, since it uses less digits than its factorization.

340030005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2786.

The product of its (nonzero) digits is 180, while the sum is 15.

The square root of 340030005 is about 18439.9025214343. The cubic root of 340030005 is about 697.9737355437.

Adding to 340030005 its reverse (500030043), we get a palindrome (840060048).

The spelling of 340030005 in words is "three hundred forty million, thirty thousand, five".