34203618 has 12 divisors (see below), whose sum is σ = 74107878. Its totient is φ = 11401200.

The previous prime is 34203593. The next prime is 34203649. The reversal of 34203618 is 81630243.

It is a happy number.

34203618 is a `hidden beast` number, since 3 + 42 + 0 + 3 + 618 = 666.

34203618 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 29127609 + 5076009 = 5397^2 + 2253^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 34203591 and 34203600.

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 5 ways as a sum of consecutive naturals, for example, 950083 + ... + 950118.

Almost surely, 2^34203618 is an apocalyptic number.

34203618 is an abundant number, since it is smaller than the sum of its proper divisors (39904260).

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

34203618 is a wasteful number, since it uses less digits than its factorization.

34203618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1900209 (or 1900206 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 34203618 is about 5848.3859311779. The cubic root of 34203618 is about 324.6066025036.

The spelling of 34203618 in words is "thirty-four million, two hundred three thousand, six hundred eighteen".