340421014 has 16 divisors (see below), whose sum is σ = 526547952. Its totient is φ = 164982688.

The previous prime is 340420987. The next prime is 340421017. The reversal of 340421014 is 410124043.

It is a junction number, because it is equal to n+sod(n) for n = 340420982 and 340421000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340421017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10549 + ... + 28144.

It is an arithmetic number, because the mean of its divisors is an integer number (32909247).

Almost surely, 2^340421014 is an apocalyptic number.

340421014 is a deficient number, since it is larger than the sum of its proper divisors (186126938).

340421014 is a wasteful number, since it uses less digits than its factorization.

340421014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38831.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 340421014 is about 18450.5017275954. The cubic root of 340421014 is about 698.2411722061.

Adding to 340421014 its reverse (410124043), we get a palindrome (750545057).

The spelling of 340421014 in words is "three hundred forty million, four hundred twenty-one thousand, fourteen".