340038693 has 12 divisors (see below), whose sum is σ = 512522400. Its totient is φ = 216836136.

The previous prime is 340038683. The next prime is 340038731. The reversal of 340038693 is 396830043.

It is not a de Polignac number, because 340038693 - 2²⁰ = 338990117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340038683) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 821143 + ... + 821556.

It is an arithmetic number, because the mean of its divisors is an integer number (42710200).

Almost surely, 2^340038693 is an apocalyptic number.

It is an amenable number.

340038693 is a deficient number, since it is larger than the sum of its proper divisors (172483707).

340038693 is a wasteful number, since it uses less digits than its factorization.

340038693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642728 (or 1642725 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 340038693 is about 18440.1380960122. The cubic root of 340038693 is about 697.9796800624.

The spelling of 340038693 in words is "three hundred forty million, thirty-eight thousand, six hundred ninety-three".