34618639 has 4 divisors (see below), whose sum is σ = 37765800. Its totient is φ = 31471480.

The previous prime is 34618607. The next prime is 34618679. The reversal of 34618639 is 93681643.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93681643 = 11 ⋅8516513.

It is a cyclic number.

It is not a de Polignac number, because 34618639 - 2⁵ = 34618607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34618679) 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 3 ways as a sum of consecutive naturals, for example, 1573564 + ... + 1573585.

It is an arithmetic number, because the mean of its divisors is an integer number (9441450).

Almost surely, 2^34618639 is an apocalyptic number.

34618639 is a deficient number, since it is larger than the sum of its proper divisors (3147161).

34618639 is a wasteful number, since it uses less digits than its factorization.

34618639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3147160.

The product of its digits is 93312, while the sum is 40.

The square root of 34618639 is about 5883.7606171563. The cubic root of 34618639 is about 325.9142352832.

It can be divided in two parts, 3461 and 8639, that added together give a square (12100 = 110²).

The spelling of 34618639 in words is "thirty-four million, six hundred eighteen thousand, six hundred thirty-nine".