340378029 has 24 divisors (see below), whose sum is σ = 521277120. Its totient is φ = 213283968.

The previous prime is 340378001. The next prime is 340378033. The reversal of 340378029 is 920873043.

It is not a de Polignac number, because 340378029 - 2⁵ = 340377997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 340377984 and 340378002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340374029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 217552 + ... + 219110.

It is an arithmetic number, because the mean of its divisors is an integer number (21719880).

Almost surely, 2^340378029 is an apocalyptic number.

It is an amenable number.

340378029 is a deficient number, since it is larger than the sum of its proper divisors (180899091).

340378029 is a wasteful number, since it uses less digits than its factorization.

340378029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3009 (or 3006 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 340378029 is about 18449.3368173493. The cubic root of 340378029 is about 698.2117819717.

The spelling of 340378029 in words is "three hundred forty million, three hundred seventy-eight thousand, twenty-nine".