340654378 has 8 divisors (see below), whose sum is σ = 519358500. Its totient is φ = 167534880.

The previous prime is 340654283. The next prime is 340654393. The reversal of 340654378 is 873456043.

It can be written as a sum of positive squares in 2 ways, for example, as 204861969 + 135792409 = 14313^2 + 11653^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 340654378.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1396003 + ... + 1396246.

Almost surely, 2^340654378 is an apocalyptic number.

340654378 is a deficient number, since it is larger than the sum of its proper divisors (178704122).

340654378 is a wasteful number, since it uses less digits than its factorization.

340654378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2792312.

The product of its (nonzero) digits is 241920, while the sum is 40.

The square root of 340654378 is about 18456.8246998231. The cubic root of 340654378 is about 698.4006875579.

The spelling of 340654378 in words is "three hundred forty million, six hundred fifty-four thousand, three hundred seventy-eight".