340689794 has 8 divisors (see below), whose sum is σ = 511134348. Its totient is φ = 170311680.

The previous prime is 340689761. The next prime is 340689827. The reversal of 340689794 is 497986043.

It is an interprime number because it is at equal distance from previous prime (340689761) and next prime (340689827).

It can be written as a sum of positive squares in 2 ways, for example, as 339038569 + 1651225 = 18413^2 + 1285^2 .

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

It is an unprimeable number.

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, 767 + ... + 26114.

Almost surely, 2^340689794 is an apocalyptic number.

340689794 is a deficient number, since it is larger than the sum of its proper divisors (170444554).

340689794 is a wasteful number, since it uses less digits than its factorization.

340689794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33220.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The square root of 340689794 is about 18457.7841031907. The cubic root of 340689794 is about 698.4248897045.

The spelling of 340689794 in words is "three hundred forty million, six hundred eighty-nine thousand, seven hundred ninety-four".