34919639 has 4 divisors (see below), whose sum is σ = 35265480. Its totient is φ = 34573800.

The previous prime is 34919627. The next prime is 34919641. The reversal of 34919639 is 93691943.

34919639 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93691943 = 101 ⋅927643.

It is a cyclic number.

It is not a de Polignac number, because 34919639 - 2⁸ = 34919383 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34919639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34919669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172769 + ... + 172970.

It is an arithmetic number, because the mean of its divisors is an integer number (8816370).

Almost surely, 2^34919639 is an apocalyptic number.

34919639 is a deficient number, since it is larger than the sum of its proper divisors (345841).

34919639 is a wasteful number, since it uses less digits than its factorization.

34919639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345840.

The product of its digits is 157464, while the sum is 44.

The square root of 34919639 is about 5909.2841360016. The cubic root of 34919639 is about 326.8560904479.

The spelling of 34919639 in words is "thirty-four million, nine hundred nineteen thousand, six hundred thirty-nine".