34387693 has 2 divisors, whose sum is σ = 34387694. Its totient is φ = 34387692.

The previous prime is 34387687. The next prime is 34387697. The reversal of 34387693 is 39678343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34363044 + 24649 = 5862^2 + 157^2 .

It is an emirp because it is prime and its reverse (39678343) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34387693 - 2⁹ = 34387181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34387697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17193846 + 17193847.

It is an arithmetic number, because the mean of its divisors is an integer number (17193847).

Almost surely, 2^34387693 is an apocalyptic number.

It is an amenable number.

34387693 is a deficient number, since it is larger than the sum of its proper divisors (1).

34387693 is an equidigital number, since it uses as much as digits as its factorization.

34387693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 43.

The square root of 34387693 is about 5864.1020625497. The cubic root of 34387693 is about 325.1878771692.

The spelling of 34387693 in words is "thirty-four million, three hundred eighty-seven thousand, six hundred ninety-three".