340739907 has 8 divisors (see below), whose sum is σ = 456048384. Its totient is φ = 226295688.

The previous prime is 340739887. The next prime is 340739909. The reversal of 340739907 is 709937043.

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

It is not a de Polignac number, because 340739907 - 2⁶ = 340739843 is a prime.

It is a super-2 number, since 2×340739907² = 232207368444737298, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (340739909) 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, 215143 + ... + 216720.

It is an arithmetic number, because the mean of its divisors is an integer number (57006048).

Almost surely, 2^340739907 is an apocalyptic number.

340739907 is a deficient number, since it is larger than the sum of its proper divisors (115308477).

340739907 is a wasteful number, since it uses less digits than its factorization.

340739907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432129.

The product of its (nonzero) digits is 142884, while the sum is 42.

The square root of 340739907 is about 18459.1415564213. The cubic root of 340739907 is about 698.4591324391.

The spelling of 340739907 in words is "three hundred forty million, seven hundred thirty-nine thousand, nine hundred seven".