34850639 has 2 divisors, whose sum is σ = 34850640. Its totient is φ = 34850638.

The previous prime is 34850623. The next prime is 34850657. The reversal of 34850639 is 93605843.

It is a weak prime.

It is an emirp because it is prime and its reverse (93605843) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34850639 - 2⁴ = 34850623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34850609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17425319 + 17425320.

It is an arithmetic number, because the mean of its divisors is an integer number (17425320).

Almost surely, 2^34850639 is an apocalyptic number.

34850639 is a deficient number, since it is larger than the sum of its proper divisors (1).

34850639 is an equidigital number, since it uses as much as digits as its factorization.

34850639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 34850639 is about 5903.4429784660. The cubic root of 34850639 is about 326.6406630465.

The spelling of 34850639 in words is "thirty-four million, eight hundred fifty thousand, six hundred thirty-nine".