340419349 has 4 divisors (see below), whose sum is σ = 342147564. Its totient is φ = 338691136.

The previous prime is 340419329. The next prime is 340419353. The reversal of 340419349 is 943914043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 943914043 = 23 ⋅41039741.

It can be written as a sum of positive squares in 2 ways, for example, as 300502225 + 39917124 = 17335^2 + 6318^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340419349 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 (340419329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 863812 + ... + 864205.

It is an arithmetic number, because the mean of its divisors is an integer number (85536891).

Almost surely, 2^340419349 is an apocalyptic number.

It is an amenable number.

340419349 is a deficient number, since it is larger than the sum of its proper divisors (1728215).

340419349 is a wasteful number, since it uses less digits than its factorization.

340419349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1728214.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 340419349 is about 18450.4566068160. The cubic root of 340419349 is about 698.2400338378.

The spelling of 340419349 in words is "three hundred forty million, four hundred nineteen thousand, three hundred forty-nine".