340084837 has 2 divisors, whose sum is σ = 340084838. Its totient is φ = 340084836.

The previous prime is 340084799. The next prime is 340084853. The reversal of 340084837 is 738480043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 265331521 + 74753316 = 16289^2 + 8646^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340084837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 340084796 and 340084805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340084897) by changing a digit.

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 as a sum of consecutive naturals, namely, 170042418 + 170042419.

It is an arithmetic number, because the mean of its divisors is an integer number (170042419).

Almost surely, 2^340084837 is an apocalyptic number.

It is an amenable number.

340084837 is a deficient number, since it is larger than the sum of its proper divisors (1).

340084837 is an equidigital number, since it uses as much as digits as its factorization.

340084837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 340084837 is about 18441.3892372565. The cubic root of 340084837 is about 698.0112510946.

The spelling of 340084837 in words is "three hundred forty million, eighty-four thousand, eight hundred thirty-seven".