34169939 has 2 divisors, whose sum is σ = 34169940. Its totient is φ = 34169938.

The previous prime is 34169929. The next prime is 34169963. The reversal of 34169939 is 93996143.

It is a weak prime.

It is an emirp because it is prime and its reverse (93996143) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34169939 - 2¹² = 34165843 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34169939.

It is not a weakly prime, because it can be changed into another prime (34169929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17084969 + 17084970.

It is an arithmetic number, because the mean of its divisors is an integer number (17084970).

Almost surely, 2^34169939 is an apocalyptic number.

34169939 is a deficient number, since it is larger than the sum of its proper divisors (1).

34169939 is an equidigital number, since it uses as much as digits as its factorization.

34169939 is an evil number, because the sum of its binary digits is even.

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

The square root of 34169939 is about 5845.5058805890. The cubic root of 34169939 is about 324.5000249287.

The spelling of 34169939 in words is "thirty-four million, one hundred sixty-nine thousand, nine hundred thirty-nine".