345447234 has 64 divisors (see below), whose sum is σ = 849346560. Its totient is φ = 103194000.

The previous prime is 345447211. The next prime is 345447241. The reversal of 345447234 is 432744543.

It is a Curzon number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 38079 + ... + 46269.

It is an arithmetic number, because the mean of its divisors is an integer number (13271040).

Almost surely, 2^345447234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345447234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (424673280).

345447234 is an abundant number, since it is smaller than the sum of its proper divisors (503899326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345447234 is a wasteful number, since it uses less digits than its factorization.

345447234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8284 (or 8278 counting only the distinct ones).

The product of its digits is 161280, while the sum is 36.

The square root of 345447234 is about 18586.2108564387. The cubic root of 345447234 is about 701.6608413546.

It can be divided in two parts, 3454472 and 34, that added together give a triangular number (3454506 = T₂₆₂₈).

The spelling of 345447234 in words is "three hundred forty-five million, four hundred forty-seven thousand, two hundred thirty-four".