340709794 has 4 divisors (see below), whose sum is σ = 511064694. Its totient is φ = 170354896.

The previous prime is 340709791. The next prime is 340709797. The reversal of 340709794 is 497907043.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (340709791) and next prime (340709797).

It can be written as a sum of positive squares in only one way, i.e., 276789769 + 63920025 = 16637^2 + 7995^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 340709794.

It is not an unprimeable number, because it can be changed into a prime (340709791) 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 as a sum of consecutive naturals, namely, 85177447 + ... + 85177450.

Almost surely, 2^340709794 is an apocalyptic number.

340709794 is a deficient number, since it is larger than the sum of its proper divisors (170354900).

340709794 is a wasteful number, since it uses less digits than its factorization.

340709794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170354899.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 340709794 is about 18458.3258720828. The cubic root of 340709794 is about 698.4385563154.

The spelling of 340709794 in words is "three hundred forty million, seven hundred nine thousand, seven hundred ninety-four".