434342642 has 24 divisors (see below), whose sum is σ = 671725488. Its totient is φ = 210588840.

The previous prime is 434342633. The next prime is 434342647. The reversal of 434342642 is 246243434.

It is a junction number, because it is equal to n+sod(n) for n = 434342599 and 434342608.

It is not an unprimeable number, because it can be changed into a prime (434342647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 675173 + ... + 675815.

It is an arithmetic number, because the mean of its divisors is an integer number (27988562).

Almost surely, 2^434342642 is an apocalyptic number.

434342642 is a deficient number, since it is larger than the sum of its proper divisors (237382846).

434342642 is an equidigital number, since it uses as much as digits as its factorization.

434342642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854 (or 783 counting only the distinct ones).

The product of its digits is 55296, while the sum is 32.

The square root of 434342642 is about 20840.8887046594. Note that the first 3 decimals coincide. The cubic root of 434342642 is about 757.3166228952.

The spelling of 434342642 in words is "four hundred thirty-four million, three hundred forty-two thousand, six hundred forty-two".