34109812 has 24 divisors (see below), whose sum is σ = 65493792. Its totient is φ = 15415200.

The previous prime is 34109809. The next prime is 34109813. The reversal of 34109812 is 21890143.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34109813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5823 + ... + 10105.

It is an arithmetic number, because the mean of its divisors is an integer number (2728908).

Almost surely, 2^34109812 is an apocalyptic number.

It is an amenable number.

34109812 is a deficient number, since it is larger than the sum of its proper divisors (31383980).

34109812 is a wasteful number, since it uses less digits than its factorization.

34109812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4479 (or 4477 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 34109812 is about 5840.3606053051. The cubic root of 34109812 is about 324.3095781106.

Adding to 34109812 its reverse (21890143), we get a palindrome (55999955).

The spelling of 34109812 in words is "thirty-four million, one hundred nine thousand, eight hundred twelve".