345946736 has 40 divisors (see below), whose sum is σ = 721761840. Its totient is φ = 160031744.

The previous prime is 345946709. The next prime is 345946789. The reversal of 345946736 is 637649543.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5270 + ... + 26826.

It is an arithmetic number, because the mean of its divisors is an integer number (18044046).

Almost surely, 2^345946736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345946736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (360880920).

345946736 is an abundant number, since it is smaller than the sum of its proper divisors (375815104).

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

345946736 is a wasteful number, since it uses less digits than its factorization.

345946736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21641 (or 21635 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 47.

The square root of 345946736 is about 18599.6434374426. The cubic root of 345946736 is about 701.9988690550.

The spelling of 345946736 in words is "three hundred forty-five million, nine hundred forty-six thousand, seven hundred thirty-six".