340425349 has 16 divisors (see below), whose sum is σ = 375036480. Its totient is φ = 306444160.

The previous prime is 340425329. The next prime is 340425361. The reversal of 340425349 is 943524043.

It is a happy number.

It is not a de Polignac number, because 340425349 - 2²⁷ = 206207621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340425329) 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 15 ways as a sum of consecutive naturals, for example, 812262 + ... + 812680.

It is an arithmetic number, because the mean of its divisors is an integer number (23439780).

Almost surely, 2^340425349 is an apocalyptic number.

It is an amenable number.

340425349 is a deficient number, since it is larger than the sum of its proper divisors (34611131).

340425349 is a wasteful number, since it uses less digits than its factorization.

340425349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980.

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 340425349 is about 18450.6192037015. The cubic root of 340425349 is about 698.2441360484.

The spelling of 340425349 in words is "three hundred forty million, four hundred twenty-five thousand, three hundred forty-nine".