346545642 has 32 divisors (see below), whose sum is σ = 699513408. Its totient is φ = 114450176.

The previous prime is 346545601. The next prime is 346545649. The reversal of 346545642 is 246545643.

It is a self number, because there is not a number n which added to its sum of digits gives 346545642.

It is not an unprimeable number, because it can be changed into a prime (346545649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 584098 + ... + 584690.

It is an arithmetic number, because the mean of its divisors is an integer number (21859794).

Almost surely, 2^346545642 is an apocalyptic number.

346545642 is an abundant number, since it is smaller than the sum of its proper divisors (352967766).

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

346545642 is a wasteful number, since it uses less digits than its factorization.

346545642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334.

The product of its digits is 345600, while the sum is 39.

The square root of 346545642 is about 18615.7364076740. The cubic root of 346545642 is about 702.4037376912.

Subtracting from 346545642 its reverse (246545643), we obtain a palindrome (99999999).

The spelling of 346545642 in words is "three hundred forty-six million, five hundred forty-five thousand, six hundred forty-two".