345640602 has 32 divisors (see below), whose sum is σ = 704650752. Its totient is φ = 113007024.

The previous prime is 345640543. The next prime is 345640621. The reversal of 345640602 is 206046543.

It is a self number, because there is not a number n which added to its sum of digits gives 345640602.

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 15 ways as a sum of consecutive naturals, for example, 63513 + ... + 68739.

It is an arithmetic number, because the mean of its divisors is an integer number (22020336).

Almost surely, 2^345640602 is an apocalyptic number.

345640602 is an abundant number, since it is smaller than the sum of its proper divisors (359010150).

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

345640602 is a wasteful number, since it uses less digits than its factorization.

345640602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5442.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 345640602 is about 18591.4120496535. The cubic root of 345640602 is about 701.7917378006.

The spelling of 345640602 in words is "three hundred forty-five million, six hundred forty thousand, six hundred two".