34856837 has 2 divisors, whose sum is σ = 34856838. Its totient is φ = 34856836.

The previous prime is 34856821. The next prime is 34856839. The reversal of 34856837 is 73865843.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27050401 + 7806436 = 5201^2 + 2794^2 .

It is a cyclic number.

It is not a de Polignac number, because 34856837 - 2⁴ = 34856821 is a prime.

Together with 34856839, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34856839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17428418 + 17428419.

It is an arithmetic number, because the mean of its divisors is an integer number (17428419).

Almost surely, 2^34856837 is an apocalyptic number.

It is an amenable number.

34856837 is a deficient number, since it is larger than the sum of its proper divisors (1).

34856837 is an equidigital number, since it uses as much as digits as its factorization.

34856837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 44.

The square root of 34856837 is about 5903.9679030293. The cubic root of 34856837 is about 326.6600256644.

The spelling of 34856837 in words is "thirty-four million, eight hundred fifty-six thousand, eight hundred thirty-seven".