340319497 has 8 divisors (see below), whose sum is σ = 389720000. Its totient is φ = 291114864.

The previous prime is 340319491. The next prime is 340319513. The reversal of 340319497 is 794913043.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 340319497 - 2³ = 340319489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340319491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45222 + ... + 52207.

It is an arithmetic number, because the mean of its divisors is an integer number (48715000).

Almost surely, 2^340319497 is an apocalyptic number.

It is an amenable number.

340319497 is a deficient number, since it is larger than the sum of its proper divisors (49400503).

340319497 is an equidigital number, since it uses as much as digits as its factorization.

340319497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97935.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 340319497 is about 18447.7504590668. The cubic root of 340319497 is about 698.1717577718.

The spelling of 340319497 in words is "three hundred forty million, three hundred nineteen thousand, four hundred ninety-seven".