340812799 has 2 divisors, whose sum is σ = 340812800. Its totient is φ = 340812798.

The previous prime is 340812779. The next prime is 340812803. The reversal of 340812799 is 997218043.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 340812799 - 2⁹ = 340812287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340812739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170406399 + 170406400.

It is an arithmetic number, because the mean of its divisors is an integer number (170406400).

Almost surely, 2^340812799 is an apocalyptic number.

340812799 is a deficient number, since it is larger than the sum of its proper divisors (1).

340812799 is an equidigital number, since it uses as much as digits as its factorization.

340812799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 340812799 is about 18461.1158655158. The cubic root of 340812799 is about 698.5089343086.

The spelling of 340812799 in words is "three hundred forty million, eight hundred twelve thousand, seven hundred ninety-nine".