343500642 has 32 divisors (see below), whose sum is σ = 767620800. Its totient is φ = 113857344.

The previous prime is 343500631. The next prime is 343500671. The reversal of 343500642 is 246005343.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8103 + ... + 27434.

It is an arithmetic number, because the mean of its divisors is an integer number (23988150).

Almost surely, 2^343500642 is an apocalyptic number.

343500642 is an abundant number, since it is smaller than the sum of its proper divisors (424120158).

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

343500642 is a wasteful number, since it uses less digits than its factorization.

343500642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35727 (or 35721 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 343500642 is about 18533.7703125943. The cubic root of 343500642 is about 700.3404072236.

Adding to 343500642 its reverse (246005343), we get a palindrome (589505985).

The spelling of 343500642 in words is "three hundred forty-three million, five hundred thousand, six hundred forty-two".