345834784 has 12 divisors (see below), whose sum is σ = 680862294. Its totient is φ = 172917376.

The previous prime is 345834781. The next prime is 345834787. The reversal of 345834784 is 487438543.

It is an interprime number because it is at equal distance from previous prime (345834781) and next prime (345834787).

It can be written as a sum of positive squares in only one way, i.e., 268042384 + 77792400 = 16372^2 + 8820^2 .

It is not an unprimeable number, because it can be changed into a prime (345834781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5403637 + ... + 5403700.

Almost surely, 2^345834784 is an apocalyptic number.

It is an amenable number.

345834784 is a deficient number, since it is larger than the sum of its proper divisors (335027510).

345834784 is a wasteful number, since it uses less digits than its factorization.

345834784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10807347 (or 10807339 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 46.

The square root of 345834784 is about 18596.6336738669. The cubic root of 345834784 is about 701.9231361475.

The spelling of 345834784 in words is "three hundred forty-five million, eight hundred thirty-four thousand, seven hundred eighty-four".