34940646 has 80 divisors (see below), whose sum is σ = 86353344. Its totient is φ = 10492416.

The previous prime is 34940641. The next prime is 34940669. The reversal of 34940646 is 64604943.

34940646 is a `hidden beast` number, since 3 + 4 + 9 + 4 + 0 + 646 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 34940646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34940641) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 98806 + ... + 99158.

Almost surely, 2^34940646 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34940646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43176672).

34940646 is an abundant number, since it is smaller than the sum of its proper divisors (51412698).

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

34940646 is a wasteful number, since it uses less digits than its factorization.

34940646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427 (or 418 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 34940646 is about 5911.0613260226. The cubic root of 34940646 is about 326.9216208073.

The spelling of 34940646 in words is "thirty-four million, nine hundred forty thousand, six hundred forty-six".