340887499 has 2 divisors, whose sum is σ = 340887500. Its totient is φ = 340887498.

The previous prime is 340887497. The next prime is 340887517. The reversal of 340887499 is 994788043.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 340887499 - 2¹ = 340887497 is a prime.

Together with 340887497, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (340887497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170443749 + 170443750.

It is an arithmetic number, because the mean of its divisors is an integer number (170443750).

Almost surely, 2^340887499 is an apocalyptic number.

340887499 is a deficient number, since it is larger than the sum of its proper divisors (1).

340887499 is an equidigital number, since it uses as much as digits as its factorization.

340887499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1741824, while the sum is 52.

The square root of 340887499 is about 18463.1389259790. The cubic root of 340887499 is about 698.5599640878.

The spelling of 340887499 in words is "three hundred forty million, eight hundred eighty-seven thousand, four hundred ninety-nine".