345103784 has 32 divisors (see below), whose sum is σ = 652768320. Its totient is φ = 171040896.

The previous prime is 345103771. The next prime is 345103789. The reversal of 345103784 is 487301543.

It is a super-2 number, since 2×345103784² = 238193243462237312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (345103789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 708389 + ... + 708875.

It is an arithmetic number, because the mean of its divisors is an integer number (20399010).

Almost surely, 2^345103784 is an apocalyptic number.

It is an amenable number.

345103784 is a deficient number, since it is larger than the sum of its proper divisors (307664536).

345103784 is a wasteful number, since it uses less digits than its factorization.

345103784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089 (or 1085 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 345103784 is about 18576.9691822967. The cubic root of 345103784 is about 701.4282295398.

The spelling of 345103784 in words is "three hundred forty-five million, one hundred three thousand, seven hundred eighty-four".