341399987 has 2 divisors, whose sum is σ = 341399988. Its totient is φ = 341399986.

The previous prime is 341399969. The next prime is 341400023. The reversal of 341399987 is 789993143.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 341399987 - 2⁸ = 341399731 is a prime.

It is a super-2 number, since 2×341399987² = 233107902247200338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (341399917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170699993 + 170699994.

It is an arithmetic number, because the mean of its divisors is an integer number (170699994).

Almost surely, 2^341399987 is an apocalyptic number.

341399987 is a deficient number, since it is larger than the sum of its proper divisors (1).

341399987 is an equidigital number, since it uses as much as digits as its factorization.

341399987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1469664, while the sum is 53.

The square root of 341399987 is about 18477.0123937827. The cubic root of 341399987 is about 698.9098589386.

The spelling of 341399987 in words is "three hundred forty-one million, three hundred ninety-nine thousand, nine hundred eighty-seven".