340029971 has 4 divisors (see below), whose sum is σ = 360031752. Its totient is φ = 320028192.

The previous prime is 340029961. The next prime is 340029997. The reversal of 340029971 is 179920043.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 340029971 - 2²² = 335835667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340029941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10000865 + ... + 10000898.

It is an arithmetic number, because the mean of its divisors is an integer number (90007938).

Almost surely, 2^340029971 is an apocalyptic number.

340029971 is a deficient number, since it is larger than the sum of its proper divisors (20001781).

340029971 is a wasteful number, since it uses less digits than its factorization.

340029971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20001780.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 340029971 is about 18439.9015995205. The cubic root of 340029971 is about 697.9737122800.

The spelling of 340029971 in words is "three hundred forty million, twenty-nine thousand, nine hundred seventy-one".