340854797 has 2 divisors, whose sum is σ = 340854798. Its totient is φ = 340854796.

The previous prime is 340854757. The next prime is 340854803. The reversal of 340854797 is 797458043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 339812356 + 1042441 = 18434^2 + 1021^2 .

It is a cyclic number.

It is not a de Polignac number, because 340854797 - 2¹² = 340850701 is a prime.

It is a super-2 number, since 2×340854797² = 232363985275822418, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340854727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170427398 + 170427399.

It is an arithmetic number, because the mean of its divisors is an integer number (170427399).

Almost surely, 2^340854797 is an apocalyptic number.

It is an amenable number.

340854797 is a deficient number, since it is larger than the sum of its proper divisors (1).

340854797 is an equidigital number, since it uses as much as digits as its factorization.

340854797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 846720, while the sum is 47.

The square root of 340854797 is about 18462.2533023464. The cubic root of 340854797 is about 698.5376253019.

The spelling of 340854797 in words is "three hundred forty million, eight hundred fifty-four thousand, seven hundred ninety-seven".