345193320 has 32 divisors (see below), whose sum is σ = 1035580320. Its totient is φ = 92051520.

The previous prime is 345193319. The next prime is 345193367. The reversal of 345193320 is 23391543.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 1438186 + ... + 1438425.

It is an arithmetic number, because the mean of its divisors is an integer number (32361885).

Almost surely, 2^345193320 is an apocalyptic number.

345193320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

345193320 is an abundant number, since it is smaller than the sum of its proper divisors (690387000).

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

345193320 is a wasteful number, since it uses less digits than its factorization.

345193320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2876625 (or 2876621 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 345193320 is about 18579.3788916637. The cubic root of 345193320 is about 701.4888853485.

The spelling of 345193320 in words is "three hundred forty-five million, one hundred ninety-three thousand, three hundred twenty".