34140646 has 8 divisors (see below), whose sum is σ = 51243264. Its totient is φ = 17059560.

The previous prime is 34140643. The next prime is 34140679. The reversal of 34140646 is 64604143.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34140643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550 + ... + 8281.

It is an arithmetic number, because the mean of its divisors is an integer number (6405408).

Almost surely, 2^34140646 is an apocalyptic number.

34140646 is a deficient number, since it is larger than the sum of its proper divisors (17102618).

34140646 is a wasteful number, since it uses less digits than its factorization.

34140646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10766.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 34140646 is about 5842.9997432826. Note that the first 3 decimals coincide. The cubic root of 34140646 is about 324.4072699410.

Adding to 34140646 its reverse (64604143), we get a palindrome (98744789).

The spelling of 34140646 in words is "thirty-four million, one hundred forty thousand, six hundred forty-six".