345838715 has 4 divisors (see below), whose sum is σ = 415006464. Its totient is φ = 276670968.

The previous prime is 345838709. The next prime is 345838721. The reversal of 345838715 is 517838543.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 517838543 = 1163 ⋅445261.

It is an interprime number because it is at equal distance from previous prime (345838709) and next prime (345838721).

It is a cyclic number.

It is not a de Polignac number, because 345838715 - 2⁴ = 345838699 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34583867 + ... + 34583876.

It is an arithmetic number, because the mean of its divisors is an integer number (103751616).

Almost surely, 2^345838715 is an apocalyptic number.

345838715 is a deficient number, since it is larger than the sum of its proper divisors (69167749).

345838715 is an equidigital number, since it uses as much as digits as its factorization.

345838715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69167748.

The product of its digits is 403200, while the sum is 44.

The square root of 345838715 is about 18596.7393647381. The cubic root of 345838715 is about 701.9257956538.

The spelling of 345838715 in words is "three hundred forty-five million, eight hundred thirty-eight thousand, seven hundred fifteen".