344987 has 2 divisors, whose sum is σ = 344988. Its totient is φ = 344986.

The previous prime is 344969. The next prime is 345001. The reversal of 344987 is 789443.

It is a strong prime.

It is an emirp because it is prime and its reverse (789443) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 344987 - 2¹⁰ = 343963 is a prime.

It is a d-powerful number, because it can be written as 3⁹ + 4⁶ + 9⁵ + 4⁹ + 8 + 7 .

It is a plaindrome in base 12.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 344987.

It is not a weakly prime, because it can be changed into another prime (344917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172493 + 172494.

It is an arithmetic number, because the mean of its divisors is an integer number (172494).

2³⁴⁴⁹⁸⁷ is an apocalyptic number.

344987 is a deficient number, since it is larger than the sum of its proper divisors (1).

344987 is an equidigital number, since it uses as much as digits as its factorization.

344987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 35.

The square root of 344987 is about 587.3559397844. The cubic root of 344987 is about 70.1349098913.

It can be divided in two parts, 344 and 987, that added together give a palindrome (1331).

The spelling of 344987 in words is "three hundred forty-four thousand, nine hundred eighty-seven".