340424354 has 16 divisors (see below), whose sum is σ = 541048248. Its totient is φ = 160088832.

The previous prime is 340424341. The next prime is 340424393. The reversal of 340424354 is 453424043.

340424354 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 299809225 + 40615129 = 17315^2 + 6373^2 .

It is a Curzon number.

It is an unprimeable number.

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, 67364 + ... + 72240.

Almost surely, 2^340424354 is an apocalyptic number.

340424354 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

340424354 is a deficient number, since it is larger than the sum of its proper divisors (200623894).

340424354 is a wasteful number, since it uses less digits than its factorization.

340424354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6949.

The product of its (nonzero) digits is 23040, while the sum is 29.

The square root of 340424354 is about 18450.5922398171. The cubic root of 340424354 is about 698.2434557685.

Adding to 340424354 its reverse (453424043), we get a palindrome (793848397).

The spelling of 340424354 in words is "three hundred forty million, four hundred twenty-four thousand, three hundred fifty-four".