34193389 has 2 divisors, whose sum is σ = 34193390. Its totient is φ = 34193388.

The previous prime is 34193381. The next prime is 34193399. The reversal of 34193389 is 98339143.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29920900 + 4272489 = 5470^2 + 2067^2 .

It is a cyclic number.

It is not a de Polignac number, because 34193389 - 2³ = 34193381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34193381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17096694 + 17096695.

It is an arithmetic number, because the mean of its divisors is an integer number (17096695).

Almost surely, 2^34193389 is an apocalyptic number.

It is an amenable number.

34193389 is a deficient number, since it is larger than the sum of its proper divisors (1).

34193389 is an equidigital number, since it uses as much as digits as its factorization.

34193389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 40.

The square root of 34193389 is about 5847.5113509937. The cubic root of 34193389 is about 324.5742401183.

The spelling of 34193389 in words is "thirty-four million, one hundred ninety-three thousand, three hundred eighty-nine".