345816434 has 8 divisors (see below), whose sum is σ = 526030848. Its totient is φ = 170472820.

The previous prime is 345816433. The next prime is 345816437. The reversal of 345816434 is 434618543.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (345816433) 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, 1217522 + ... + 1217805.

It is an arithmetic number, because the mean of its divisors is an integer number (65753856).

Almost surely, 2^345816434 is an apocalyptic number.

345816434 is a deficient number, since it is larger than the sum of its proper divisors (180214414).

345816434 is a wasteful number, since it uses less digits than its factorization.

345816434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2435400.

The product of its digits is 138240, while the sum is 38.

The square root of 345816434 is about 18596.1402984598. The cubic root of 345816434 is about 701.9107212431.

The spelling of 345816434 in words is "three hundred forty-five million, eight hundred sixteen thousand, four hundred thirty-four".