34345638 has 12 divisors (see below), whose sum is σ = 74415588. Its totient is φ = 11448540.

The previous prime is 34345621. The next prime is 34345639. The reversal of 34345638 is 83654343.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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 (34345639) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 954028 + ... + 954063.

It is an arithmetic number, because the mean of its divisors is an integer number (6201299).

Almost surely, 2^34345638 is an apocalyptic number.

34345638 is an abundant number, since it is smaller than the sum of its proper divisors (40069950).

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

34345638 is a wasteful number, since it uses less digits than its factorization.

34345638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908099 (or 1908096 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 34345638 is about 5860.5151650687. The cubic root of 34345638 is about 325.0552584542.

The spelling of 34345638 in words is "thirty-four million, three hundred forty-five thousand, six hundred thirty-eight".