340614397 has 8 divisors (see below), whose sum is σ = 360828216. Its totient is φ = 320420352.

The previous prime is 340614377. The next prime is 340614403. The reversal of 340614397 is 793416043.

It can be written as a sum of positive squares in 4 ways, for example, as 181198521 + 159415876 = 13461^2 + 12626^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-340614397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340614377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45063 + ... + 52075.

It is an arithmetic number, because the mean of its divisors is an integer number (45103527).

Almost surely, 2^340614397 is an apocalyptic number.

It is an amenable number.

340614397 is a deficient number, since it is larger than the sum of its proper divisors (20213819).

340614397 is a wasteful number, since it uses less digits than its factorization.

340614397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9887.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 340614397 is about 18455.7415727464. The cubic root of 340614397 is about 698.3733638224.

The spelling of 340614397 in words is "three hundred forty million, six hundred fourteen thousand, three hundred ninety-seven".