340024387 has 4 divisors (see below), whose sum is σ = 354808080. Its totient is φ = 325240696.

The previous prime is 340024351. The next prime is 340024403. The reversal of 340024387 is 783420043.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 340024387 - 2¹⁹ = 339500099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340024687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7391812 + ... + 7391857.

It is an arithmetic number, because the mean of its divisors is an integer number (88702020).

Almost surely, 2^340024387 is an apocalyptic number.

340024387 is a deficient number, since it is larger than the sum of its proper divisors (14783693).

340024387 is a wasteful number, since it uses less digits than its factorization.

340024387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14783692.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 340024387 is about 18439.7501881126. The cubic root of 340024387 is about 697.9698915319.

The spelling of 340024387 in words is "three hundred forty million, twenty-four thousand, three hundred eighty-seven".